Definition
On numerous occasions; frequently.
多次，频繁地。
She has warned him many a time about using his phone at work.
她已经多次警告他不要在上班时使用手机。
We have discussed this issue many a time, but still haven't reached a consensus.
我们已经多次讨论过这个问题，但还是没有达成共识。
He tried to fix the computer many a time, but failed.
他多次尝试修理电脑，但都失败了。