此一时，彼一时。

Times have changed.

一时无出其右

unmatched for a period

一时的热情

a moment of passion

一时的误会

a moment of misunderstanding

一时之快

a moment's satisfaction

一时之需

temporary needs

一时的冲动

momentary impulse

一时还用不着

it is no use at the moment

只顾一时

take a short view

这是一时的现象。

This is a temporary phenomenon.

这只能隐瞒一时

this can only be covered up temporarily

他有病，一时不能工作。

He is ill, and can't work any time soon.

一时之错

momentary mistake

一时高兴

happen to be in a happy mood

一时激动

momentary excitement

一时性起

in a flash of anger

一时晴，一时雨

sunny one moment, rainy the next

一时冷，一时热

cold one moment, hot the next