一了百了

yīliǎobǎiliǎo ㄧ ㄌㄧㄠˇ ㄅㄞˇ ㄌㄧㄠˇ

    • once the main problem is solved, all troubles are solved death ends all one's troubles

      idiom

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
one thing ended, a hundred things ended
Meaning
Once the main problem is settled, everything else is settled too. It can also mean ending everything at once, sometimes grimly, as by death.

Sources