他们甚至不知道为什么。

They don't even know why.

Traditional

他們甚至不知道為什麼。

Pinyin

Tāmen shènzhì bù zhīdào wèishénme.

Bopomofo

ㄊㄚ ˙ㄇㄣ ㄕㄣˋ ㄓˋ ㄅㄨˋ ㄓ ㄉㄠˋ ㄨㄟˋ ㄕㄣˊ ˙ㄇㄜ。

This sentence is from Tatoeba, contributed by Martha, with the English translation by CM. It is used here under CC BY 2.0 FR.

All Chinese example sentences