完事大吉

1. • (usu. after 就 jiù) (having done such-and-such) everything is now fine that's the end of the matter (one is) all set

     idiom

Character by character

• 完(wán)finish
• 事(shì)matter
• 大(dà)big
• 吉(jí)short name for Jilin 吉林 jílín