at once
1. just the once 只有一次
2. all at once
(suddenly) 突然；忽然
- All at once there was someone knocking on the door. 忽然有人敲门。
(simultaneously) 同时；一起
3. at once
(immediately) 立即；马上
- I knew at once that something was wrong. 我立刻意识到情况不妙。
(simultaneously) 同时
- They all arrived at once. 他们都是同时到达的。
- Everybody is talking at once. 所有人都同时在说话。
<文> (both) 既…(又…)
- It was at once a question and a command. 这既是询问, 也是命令。
4. for once
(exceptionally) 仅此一次；破例一次
- She was able, for once, to relax. 只有这一次, 她能够放松一下。
See: once
at once
来自翻译宝典
- 英语>简体中文, 英汉大词典
at once
adv. phr.
Without delay; right now or right then; immediately. 马上；立刻；立即。
- Put a burning match next to a piece of paper and it will begin burning at once. 把一根点燃的火柴放在一张纸旁边，纸马上就会烧起来。
adv. phr.
Without delay; right now or right then; immediately. 马上；立刻；立即。
- Put a burning match next to a piece of paper and it will begin burning at once. 把一根点燃的火柴放在一张纸旁边，纸马上就会烧起来。
- 英语>简体中文, 美国习语词典
at once
1. very soon; immediately 立刻
- The telegram must be sent at once. 电报必须立即发出。
- I recognized him at once. 我立刻就认出了他。
2. both; equally 同样；兼
- He is at once a statesman and a writer. 他既是一位政治家，也是一位作家。
- He was at once happy and sad. 他悲喜交集。
- The book is at once interesting and instructive. 这本书既有趣又有教育意义。
1. very soon; immediately 立刻
- The telegram must be sent at once. 电报必须立即发出。
- I recognized him at once. 我立刻就认出了他。
2. both; equally 同样；兼
- He is at once a statesman and a writer. 他既是一位政治家，也是一位作家。
- He was at once happy and sad. 他悲喜交集。
- The book is at once interesting and instructive. 这本书既有趣又有教育意义。
- 英语>简体中文, 英语常用短语词典
at once
adv. 立即，立刻，同时
adv. 立即，立刻，同时
- 英语>简体中文, 英汉化学大词典
at once
立刻
- I'm leaving for Rome at once. 我马上就去罗马。
- He offered to go at once. 他主张立刻就去。
立刻
- I'm leaving for Rome at once. 我马上就去罗马。
- He offered to go at once. 他主张立刻就去。
- 英语>简体中文, 简明英汉词典
