何必当初
hébì-dāngchūTraditional 何必當初
why did you do it in the first place (as in 早知今日，何必当初)
Every meaning
hébì-dāngchū
- why did you do it in the first place (as in 早知今日，何必当初)
Its characters
Words with 何
Words with 必
Meanings from our own dictionary. Chengyu from the Xinhua idiom list, the most common first.