at once

Traditional Chinese Translation for "at once":

at once (1) 立刻,馬上,即刻 He came at once. 他立刻就來 (2) 同時 No one can do two things at once. 沒有人能同時做兩件事 [; ]

Related Entries:

all at once (1) 突然,立刻 (suddenly) (2) 大家一起 [同時] Don't speak all at once. 不要都同時說話

One can not be in two places at once 一心不可二用。