at once 详细解释

at once

[ət'wʌns]

立刻, 马上

马上; 立刻

Do it at once!

马上就做!

词义辨析

同义参见:

immediately  directly  now  down  then  forthwith  

英英释义

副词 at once:

without delay or hesitation; with no time intervening

同义词：immediately, instantly, straightaway, straight off, directly, now, right away, forthwith, in real time, like a shot

simultaneously

同义词：at a time, at one time

补充

at onceat once1.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。

例句

1. All at once there was someone knocking on the door.忽然有人敲门。 2. I knew at once that something was wrong.我立刻意识到情况不妙。 3. They all arrived at once.他们都是同时到达的。 4. Everybody is talking at once.所有人都同时在说话。 5. It was at once a question and a command.这既是询问, 也是命令。 6. She was able, for once, to relax.只有这一次, 她能够放松一下。 7. two people talking at once同时说话的两个人 8. The book is at once [=both] funny and sad.这本书既有趣又伤感。 9. She had several projects going on all at once.她同时进行着几个项目。 10. We need to leave at once.我们需要马上离开。 11. You can call the office and get advice at once.你可以给办公室打电话，立刻就能得到建议。

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