once

副词

1. 1

   一次、一回

   I go to the gym once a week after work.

   我每周下班后去健身房一次。

2. 2

   曾经、以前、从前

   She once worked as a translator in a small publishing house.

   她曾经在一家小出版社当翻译。

3. 3

   一旦、要是多用于条件句

   Once opened, the sauce should be kept in the fridge.

   酱料一旦开封，就应该放进冰箱保存。

连接词

1. 1

   一旦、一经、只要

   Once you learn to ride a bike, you never forget it.

   你一旦学会骑脚踏车，就永远不会忘记。

名词

1. 1

   一次、这一次多与 this、for 连用

   Just this once, I'll pretend I didn't see anything.

   就这一次，我假装什么都没看到。

片语

1. 1

   立刻、马上at once

   The manager asked us to stop the machine at once.

   经理要我们立刻停下机器。

2. 2

   同时、一起at once

   Don't try to do three things at once.

   不要想同时做三件事。

3. 3

   偶尔、有时once in a while

   We still meet for coffee once in a while.

   我们偶尔还是会一起喝咖啡。

4. 4

   难得一次、总算for once

   For once, the train arrived exactly on time.

   难得一次，火车准时到站。

5. 5

   彻底、一次解决once and for all

   Let's settle this argument once and for all.

   我们把这个争执彻底解决吧。

相关片语

• at once
• once again
• once more
• all at once
• once and for all
• once in a while
• for once