as if there was (或 as though there were) no tomorrow

with no regard for the future consequences

不顾后果地

I ate as if there was no tomorrow.

我不顾后果地狂吃。

tomorrow morning (或 afternoon 等)

in the morning (or afternoon etc.) of tomorrow

明天早晨（或下午等）

tomorrow is another day

used after a bad experience to express one's belief that the future will be better

明天又是新的开始（不愉快经历之后所说的乐观话）

tomorrow week

(Brit.)a week from tomorrow

(英)从明天算起的一星期以后