overnight
一夜之间

例句：
Don't expect ace diagnosis systems overnight.
不要指望电脑一夜之间就会成为顶尖的诊断系统。

I recommend you to watch "A woman getting old overnight" in the talk show“A Date With Luyu”and it's really incredible!
我推荐你去看一下《鲁豫有约》的“一夜之间变老的女人”，真的太不可思议了！

There are no overnight successes.
没有一夜之间就能成功的。

The father wandered outside the operating room for a night and got grey-haired overnight.
那位父亲在手术室外徘徊了一晚，一夜之间就白了头发。

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