time will tell
US /taɪm wɪl tɛl/
UK /taɪm wɪl tɛl/

1.
时间会证明一切, 时间会告诉我们
the truth or outcome of a situation will only be known in the future
:
•
We don't know if the new strategy will work, only time will tell.
我们不知道新策略是否会奏效,只有时间会证明一切。
•
He promised to pay me back, but time will tell if he keeps his word.
他答应还我钱,但时间会证明他是否信守诺言。