過猶不及
Overdone is worse than underdone.
The archer who overshoots misses as well as he that falls short.
In excess nectar poisons.
He that makes a thing too fine breaks it.
eg：You must not push your way too hard in the world as overdone is worse than underdone.
中英俚語俗語來源：論語 · 先進：" 過猶不及。"
同義詞：失之過甚 Carry too far.
反義詞：聊勝於無 A little is better than none.
