v.(动词)

1. 露齿笑着（表示），咧着嘴笑，龇着牙笑
2. 龇牙咧嘴，咧嘴，露出牙齿
3. 默默忍受，苦笑着忍受

n.(名词)

1. 龇牙咧嘴
2. 露齿的笑，咧嘴一笑，咧口笑，咧着嘴嬉笑
3. 苦笑，冷笑
4. 笑意

n.(名词)

1. [C]咧嘴笑 an acting of grinning

v.(动词)

1. vi. 露齿而笑 smile broadly so as to show the teeth
2. vt. 露齿笑着表示 express by smile

Noun:

1. a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement

Verb:

1. to draw back the lips and reveal the teeth, in a smile, grimace, or snarl

1.露齿而笑；咧嘴大笑
When yougrin, you smile broadly.

grin的反义词

e.g. He grins, delighted at the memory...
想到往事，他开心地咧嘴笑了起来。
e.g. Sarah tried several times to catch Philip's eye, but he just grinned at her.
萨拉几次想引起菲利普的注意，但是他只是冲她咧嘴笑了笑。

2.露齿的笑；咧嘴的笑
Agrin is a broad smile.

e.g. She came out of his office with a biggrin on her face...
她笑容满面地走出他的办公室。
e.g. Bobby looked at her with a sheepishgrin.
博比望着她腼腆地咧嘴一笑。

3.苦笑着忍受；默默承受
If yougrin and bear it, you accept a difficult or unpleasant situation without complaining because you know there is nothing you can do to make things better.

e.g. They cannot stand the sight of each other, but they will just have togrin and bear it.
他们连看对方一眼都不愿意，但是也只得默默忍受。

1. grin的反义词

1. 透镜：并通过算法计算出光纤插针端面的投影面积;再由给定的数学模型计算出光纤插针的相位,据此由控制系统对光纤插针进行旋转调节,使光纤插针的斜端面与自聚焦透镜(grin)斜端面基本保持平行;

2. grin

2. 咧嘴而笑：giggle 咯咯地笑 |grin 咧嘴而笑 |grin from ear to ear 嘴咧得大大地笑

3.grin：graduated refractive index; 由渐变折射率

They grinned with pleasure when I gave them the sweets.

当我给他们糖果时，他们高兴地咧开嘴笑了。

He grin at me, as if sharing a secret joke.

他朝我龇牙一笑，好像彼此会心领略一个笑话。

When the rain returns, I will grin even more?

天再下雨时，我会咧嘴笑得更多?

He grin at me, as if sharing a secret joke.

他朝我龇牙一笑，好像彼此会心领略一个笑话。

He twisted his face into a grin.

他扭歪着脸露齿而笑。

His face broadened out into a grin.

他咧开嘴笑了起来。

The old man's face broadened (out) into a grin.

老人咧嘴笑逐颜开。

The President broke into a sly grin.

总统突然咧着嘴狡猾地笑了笑。

She grinned amiably at us.

她咧着嘴向我们亲切地微笑。

They grinned with delight when they heard our news.

他们得知我们的消息时高兴得直咧着嘴笑。

He was grinning from ear to ear .

他笑得合不拢嘴。

He grinned a welcome.

他咧嘴一笑表示欢迎。

There's nothing we can do about it. We'll just have to grin and bear it.

对此我们无能为力，只好默默地忍受。

She gave a broad grin .

她咧着大嘴笑。

a wry'/sheepish grin

咧嘴苦笑；尴尬的笑

'u2018No, 'u2019 he said with a grin .

“不。”他咧嘴笑了笑说。

Take that grin off your face!

别嬉皮笑脸的！

He grins, delighted at the memory...

想到往事，他开心地咧嘴笑了起来。

Sarah tried several times to catch Philip's eye, but he just grinned at her.

萨拉几次想引起菲利普的注意，但是他只是冲她咧嘴笑了笑。

She came out of his office with a big grin on her face...

她笑容满面地走出他的办公室。

Bobby looked at her with a sheepish grin.

博比望着她腼腆地咧嘴一笑。

They cannot stand the sight of each other, but they will just have to grin and bear it.

他们连看对方一眼都不愿意，但是也只得默默忍受。

Then a cod with a grin pulled the fisherman in.

后来一条露着牙齿笑的鳕鱼把渔夫拉进水里.

Does George Bush possess a disarming grin, or a facetious smirk?

GeorgeBush的笑,是可亲的露齿而笑, 还是滑稽的傻笑 呢 ?

She looked around and saw a strange appearance in the air: it was a grin.

她环顾四周,看见天空中出现了一件奇怪的东西: 那是一个窃笑.

I'll face it with a grin!

我要带著笑容面对它!

Cochran stared at him from the floor of the launch, his grin gone.

柯克兰从汽艇的底部站了起来, 他的笑容消失了,随后眼神凶狠起来.

When I handed over my shopping bags to Greg, his a big grin.

当我把我的购物袋交给格雷格时, 他高兴得咧嘴大笑.

His face broadened out into a grin.

他咧开嘴笑了起来.

I know she is joking because she has a big grin on her face.

我知道她是在开玩笑,因为她满脸笑容.

Mary gave her a sheepish grin.

玛丽难为情地冲她咧嘴一笑。

Bobby looked at her with a sheepish grin.

博比望着她腼腆地咧嘴一笑。

She was relieved to see his face light up with a boyish grin.

看到他脸上现出孩子气的笑容，她总算松了口气。

He flashed me a quick grin but rapidly swallowed it when he saw my expression.

他先是冲我咧嘴一笑，不过看到我的表情后又赶紧收起笑脸。

His face broke into a wide grin.

他脸上绽放出灿烂的笑容。

He always had this inane grin.

他总是这样傻傻地咧嘴笑。

Polly gave her a crooked grin.

波莉向她不自然地咧嘴一笑。

He showed his teeth in a humourless grin.

他一本正经地咧嘴笑了笑。

1. I know she is joking because she has a big grin on her face.
   我知道她是在开玩笑,因为她满脸笑容。

用作不及物动词S+～(+A)

1. The boy grinned from ear to ear when I gave him the apple.
   当我给这个孩子苹果时,他咧着嘴笑了。
2. She grinned with delight.
   她高兴地咧开嘴笑。
3. He was grinning proudly, delighted with his achievements.
   他为自己的成就感到喜悦,自豪地咧着嘴笑。
4. The wolf grinned in an ugly way.
   那只狼可憎地龇着牙咧着嘴。
5. If you won't let me go,I suppose I will just have to grin and bear it.
   你不让我走,那我也只好顺从你。

用作及物动词S+～+ n./pron.

1. She grinned her delight.
   她露齿一笑表示高兴。
2. He grinned his approval.
   他以一笑表示同意。

grin at (v.+prep.)

对…露齿而笑 smile broadly at (sb/sth)
grin at sb/sth

How can you teach a child who just grins stupidly at you all day?

如果一个孩子整天都冲着你傻笑,你怎么能教他呢?

I can't help grinning at the funny things the child says.

听到孩子说的那些滑稽事,我忍不住笑了。

形容词+～

• grin">broad grin咧着嘴大笑
• grin">silly grin傻乎乎的咧嘴笑

～+副词

• grin%20bashfully">grin bashfully害羞地咧嘴而笑
• grin%20broadly">grin broadly咧嘴大笑
• grin%20engagingly">grin engagingly迷人地露齿而笑
• grin%20foolishly">grin foolishly咧嘴傻笑
• grin%20proudly">grin proudly自豪地咧嘴而笑
• grin%20sheepishly">grin sheepishly腼腆地露齿而笑
• grin%20stupidly">grin stupidly露齿傻笑
• grin%20sympathetically">grin sympathetically表示同情地咧嘴而笑
• grin%20inside">grin inside暗自发笑

～+介词

• grin%20at%20sb">grin at sb对着某人傻笑
• grin%20from%20ear%20to%20ear">grin from ear to ear咧嘴大笑
• grin%20in%20an%20ugly%20way">grin in an ugly way龇着牙咧着嘴笑
• grin%20with%20delight">grin with delight咧着嘴笑

• Her smile broadened to a mischievous grin.

  出自：H. Robbins

• He had a nice, frank grin, friendly, not cheeky.

  出自：A. S. Byatt

• Here grins the wolf as when he died.

  出自：Sir W. Scott

v.(动词)

1. grin的基本意思是“咧嘴露齿而笑”,多指天真地高兴、欢笑或顽皮,也指由于痛苦或愤怒而作出的怪相,含有尴尬、愚蠢或勉强的意味。
2. grin既可用作不及物动词,也可用作及物动词。用作及物动词时,接名词或代词作宾语,作“露齿笑着表示”解; 用作不及物动词时,常与at连用表示“对…露齿而笑”。
3. grin的过去式和过去分词均为grinned。

v.(动词)

grin, beam, chuckle, giggle, laugh, smile, sneer

这组词的共同意思是“笑”。其区别是：

1.laugh指一般地“笑”或“出声大笑”;smile指“不出声微笑”;beam指“面带笑容”;chuckle指“吃吃笑”或“暗自发笑”;giggle指“咯咯地笑”“傻笑”;grin指“咧嘴笑”“露齿笑”;sneer指“冷笑”“嘲笑”。例如:

Father smiled his approval.父亲以微笑表示赞许。

The boys and girls are jumping and laughing on the playground.孩子们在操场上又跳又笑。

The girl giggled.那个女孩咯咯地笑。

She grinned with delight.她高兴地咧开嘴笑。

He beamed as he opened the door.他开门时以微笑表示欢迎。

I could hear him chuckling to himself as he read his book.他看书时,我能听见他在轻声发笑。

Don't sneer at their religion.不要嘲笑他们的宗教。

2.smile表示愉快、兴奋、同情、轻蔑、讽刺、无奈等各种心情;beam暗示对他人友好、善良或内心满意;chuckle有得意或领略到其中趣味的含义;giggle是不好意思地笑或由某一趣味而连续“痴笑”;grin多因高兴、满足或轻蔑而笑;而sneer则以表情、声调或语言表示对某人〔事〕的轻蔑与嘲弄。

3.smile, laugh是一般用语;beam是正式用语;chuckle多用于书面语中;giggle多用于女人或孩子。

laugh，smile，giggle，grin，beam，sneer

这些动词均含“笑”之意。

laugh最常用词，指因喜悦、愉快或轻视而出声的笑或大笑。

smile指面露微笑，侧重于无声。

giggle指发出咯咯的笑声，较多地用于女人或孩子。

grin指露齿而笑。

beam书面用词，指人因心情舒畅而发出的笑，即喜形于色地笑。

sneer指冷笑、嘲笑。

• ☆ 直接源自古英语的grennian，意为露齿笑。