at-once

常见例句

It is necessary that he be sent there at once.
有必要馬上派他到那裡去。
Such evil practice cannot be swept away at once.
這種壞事不是一下能掃除乾淨的。
The teacher asked the pupils not to speak at once.
老師叫學生們不要同時說話。
At once he slew him and set Io free.
他立刻殺死了阿爾戈斯，放掉了伊俄。
Go at once, or I will unleash my dog on you!
立刻走，要不我就放我的狗咬你！
The film is at once humorous and moving.
這部電影既幽默又動人。