• 曾经有一个时期，一度；同时
• 曾经,同时

Adverb:

1. simultaneously;

   "he took three cookies at a time"
   

2. at a previous time;

   "at one time he loved her"
   "her erstwhile writing"
   "she was a dancer once"
   

1.

1. 曾经,一度;同时：by accident 偶然 |atonetime 曾经,一度;同时 |at present 目前,现在

2. 同时,曾经,从前曾：at notime 从不,决不 |atonetime 同时,曾经,从前曾 |at the sametime 但是,然而

3. 同时;曾经,一度：at once 立刻,马上;同时 |atonetime 同时;曾经,一度 |atone's best 处在最好状态

Soused fish used to be one of her favorite dishes.

腌鱼曾经是她最喜欢吃的菜之一。

at one time guests registered in a book.

曾经一时，旅客是在一个本子上登记。

My free time does not coincide with his.

我和他不是同时有空。

It's better not to attempt too much at one time.

最好不要企图同时干过多的工作。

at one time they met frequently.

一度他们经常见面。

He was rather hard up for a time.

他一度生活很窘。

at one time the schools were mainly attached to the church.

这些学校曾一度归教会主管。

All of them were French possessions at one time or another.

它们都曾是法国的领地。

at one time they used to mine coal in these valleys.

从前他们在这些峡谷中采煤.

The song had a great vogue at one time.

这首歌曾风行一时.

at one time we met frequently.

过去我们曾常常见面.

All of these industries have at one time or another been linked to cancer.

所有这些产业都曾在不同时期与癌症有过联系。

It would have been better to have thinned the trees over several winters rather than all at one time.

当初要是分几个冬天疏剪树木，会比一下子疏剪完效果好。

at one time she was crazy for a cottage in the country; now she wants to get back to the town again.

她一度梦想着在农村有栋别墅, 现在她又想回城市了.

My brain can't hold so much information at one time.

我脑子一下子记不住这麽多信息.

at one time I used to go skiing every winter.

我有一度每到冬季就去滑雪.

He can drink two bottles of wine at one time.

他一次能喝两瓶酒.

Each of these approaches was very fashionable at one time or another.

任何一种这样的假设都有迷人的时候.

Token money could at one time be contrasted with'full bodied'money.

代币曾一度是 “ 足价”货币的对立面.

at one time this view was dominating over the academic circles.

这种观点在学术界一度占着支配地位.

at one time , S 22 Italian ryegrass was the most used of Italian.

S22意大利黑麦草曾在意大利风行一时.

• at one time and another在不同场合
• at one time with another在不同场合