at once

 lập tức
 ngay lập tức
 ngay tức khắc
Lĩnh vực: toán & tin
 tức khắc

all at once
 cùng một lúc

Xem thêm: immediately, instantly, straightaway, straight off, directly, now, right away, forthwith, in real time, like a shot, at a time, at one time



at once

Từ điển WordNet


English Idioms Dictionary

at the same time, simultaneously You can't do two things at once. You can eat or talk, but not both.

English Synonym and Antonym Dictionary


syn.: at a time at one time directly forthwith immediately in real time instantly like a shot now right away straight off straightaway