一下子

in a short while

all at once

all of a sudden

at one blow

at a whack

at a draught

at a clap

at a blow

at a stroke

quick as a flash

all of a heap

at one clap

at one jump

at one sweep

at one whack

right off

他一下子就猜中了谜底。
He got the answer to the riddle as quick as a flash.

他们扬言要一下子取消整个项目。
They threatened to cancel the whole project at a stroke.

不要一下子全吃光留下一些以后再吃。
Don't eat them all at once; save some for later.

我不会一下子把坏消息一古脑地倒出去，我会婉转地告诉她。
I won't break the bad news all at once. I'll let her down gently.

美国汽油价格一下子上涨了百分之四点三。
American gasoline price has risen4 percent.3 in a short while.

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