adj.(形容词)

1. 有效（力）的，生效的，起作用的，产生预期结果的
2. 实际的，事实上的
3. 有力的
4. 灵验的
5. 显眼的，给人深刻印象的
6. 被实施的
7. 【军】有战斗力的，精锐的
8. 【经】实质上的
9. 有实价的
10. 高效率的

n.(名词)

1. 实际可作战的部队
2. 有生力量
3. 【军】现役兵额
4. 精兵
5. 部队，有生力量

adj.(形容词)

1. 有效的; 生效的 producing the desired result; in operation
2. 事实上的,实际的 actual; real
3. 给人印象深刻的 having a noticeable or desired effect

Adjective:

1. producing or capable of producing an intended result or having a striking effect;

   "an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation"
   "effective teaching methods"
   "effective steps toward peace"
   "made an effective entrance"
   "his complaint proved to be effectual in bringing action"
   "an efficacious law"
   

2. able to accomplish a purpose; functioning effectively;

   "people who will do nothing unless they get something out of it for themselves are often highly effective persons..."
   "effective personnel"
   "an efficient secretary"
   "the efficient cause of the revolution"
   

3. works well as a means or remedy;

   "an effective reprimand"
   "a lotion that is effective in cases of prickly heat"
   

4. exerting force or influence;

   "the law is effective immediately"
   "a warranty good for two years"
   "the law is already in effect (or in force)"
   

5. existing in fact; not theoretical; real;

   "a decline in the effective demand"
   "confused increased equipment and expenditure with the quantity of effective work done"
   

6. ready for service;

   "the fort was held by about 100 effective soldiers"
   

1.有效的;能产生预期效果的
Something that iseffective works well and produces the results that were intended.

e.g. The project looks at how we could be moreeffective in encouraging students to enter teacher training...
该项目着眼于我们如何能够更加有效地鼓励学生参与教师培训。
e.g. Simple antibiotics areeffective against this organism...
一般的抗生素能够有效对抗这种微生物。

effectively
...the team roles which you believe to be necessary for the team to function effectively...
你认为要使团队有效运作所必需的团队作用
Services need to be more effectively organised than they are at present.
服务的管理应该比现在更加有效。effectiveness
...the effectiveness of computers as an educational tool.
计算机作为教育工具的有效性

2.实际的;事实上的
effective means having a particular role or result in practice, though not officially or in theory.

e.g. They have hadeffective control of the area since the security forces left.
自从安全部队撤离后，他们实际上控制了该地区。
e.g. ...a restructuring that would have resulted in aneffective increase on one of their most popular excursion fares.
原本会使他们最热门的一条短途旅游线路的费用出现实质性上涨的调整

3.（法律、协议等）生效的，起作用的
When something such as a law or an agreement becomeseffective, it begins officially to apply or be valid.

e.g. The new rules will becomeeffective in the next few days.
新规定将在几天后生效。

1. 有力的：当一个人将皈依作为生命的中心,而且对于佛法身体力行,则可认为是有力的(effective)皈依. 更进一步,当逐渐生起菩提心(Bodhicitta)后,才是如实(Real)的皈依. 而与法身(Dharmakaya)相应后,才成其为完全(Absolute)的皈依.

Advertising is often the most effective method of promotion.

做广告往往是最有效的推销方法。

Their efforts to improve the production have been very effective.

他们提高生产力的措施卓有成效。

When does the new system become effective?

新制度何时生效？

Her brother is the king, but she is the effective ruler.

她的兄弟是国王, 但她才是实际的主宰者。

Last year saw a decline in the effective demand for steel.

去年,钢铁的实际需求下降了。

['u4e0d'u53ef'u6570'u540d'u8bcd]to check the effectiveness of the security system

检查安全系统的有效性

I admire the effective use of colour in her paintings.

我很欣赏她绘画作品中的色彩效果。

the effective, if not the actual, leader of the party

虽未居其位却实际上是党的领导人

He has now taken effective control of the country.

他目前已有效地控制了这个国家。

The new speed limit on this road becomes effective from 1 June.

这条路上新的限速规定自6月1日起生效。

Long prison sentences can be a very effective deterrent for offenders.

判处长期徒刑可对违法者起到强有力的威慑作用。

Aspirin is a simple but highly effective treatment.

阿司匹林药片治疗方法简便，效果却非常显著。

drugs that are effective against cancer

治疗癌症的有效药物

The new rules will become effective in the next few days.

新规定将在几天后生效。

...a restructuring that would have resulted in an effective increase on one of their most popular excursion fares.

原本会使他们最热门的一条短途旅游线路的费用出现实质性上涨的调整

The project looks at how we could be more effective in encouraging students to enter teacher training...

该项目着眼于我们如何能够更加有效地鼓励学生参与教师培训。

Simple antibiotics are effective against this organism...

一般的抗生素能够有效对抗这种微生物。

They have had effective control of the area since the security forces left.

自从安全部队撤离后，他们实际上控制了该地区。

What do you like to do in your spare time?

空闲时你喜欢干什么?

This medicine is effective if used within three years.

这种药3年以内有效.

Needs assessment is crucial if the hospital is to deliver effective health care.

医院要提供有效的卫生保健,需求评估是关键.

It was said that she was as effective as god , bringing the dying back to life.

她是个妙手回春的民间医生.

They have thought out the effective saving.

他们已想出挽救的办法.

This is an effective medium.

这是一种有效手段.

The medicine is effective against cancer.

这药物治癌有效.

The President's speech was an effective apology for his foreign policy.

总统的演说是对其外交政策的有力辩护.

The description of the fire is very effective.

对大火的描述极其生动.

This has proved an effective preventive.

这种药证明是很有效的预防剂.

Dark glasses are an effective shield against the glare.

墨镜能有效地遮挡强光.

He is one of the most effective writers of our group.

他是我们组的笔杆子之一.

Royal jelly is effective in treating nervous exhaustion.

蜂皇精治神经衰弱很有效.

用作定语～+ n.

1. These are effective measures.
   这些都是有效的措施。
2. The medicine is an effective cure for a headache.
   这药治头痛疗效很好。
3. Her brother is the king, but she is the effective ruler.
   她的兄弟是国王,但她才是实际的主宰者。
4. The book has a very effective closing chapter.
   这本书的结尾一章给人印象极深。

用作表语S+be+～

1. The law became effective last month.
   这条法律于上个月生效。
2. That display is very effective.
   那个展览使人赏心悦目。

S+be+～+ prep .-phrase

1. The medicine is effective against cancer.
   这药物治癌有效。
2. The clothes are effective in keeping cool in warm weather.
   热天穿淡色衣服使人凉爽。

～+介词

• effective%20against">be effective against有抗…效力的
• effective%20from">effective from从…生效

• He judged that..silence would be more effective than speech.

  出自：C. S. Forester

• Four effective, if not brilliant, items of software.

  出自：Which Micro?

adj.(形容词)

1. effective强调产生实际效果的能力,无比较级和最高级。

adj.(形容词)

effective, effectual, efficacious, efficient

这四个形容词都有“(能够)生效”的含意。effective强调效用,意为“有效的”,可用于人或事物; effectual强调效果,意为“(最终)奏效的”,一般不用于人; efficacious强调效验,意为“灵验的”,不用于人,多表示药物和治疗的效果; efficient强调功效,意为“有成效的,效率高的”,可用于人或事,指人表示“能干的”,指方法、机器表示“收效大的”。

effective，efficient

这两个形容词很容易混淆。

effective表示有效用的。

efficient表示“效率高的”，可指人。

• ☆ 14世纪晚进入英语，直接源自法语的effectif；最初源自拉丁语的effectivus，意为生产的。