不知道他什么时候回来。

I don't know when he will come back.

Traditional

不知道他什麼時候回來。

Pinyin

Bù zhīdào tā shénme shíhou huílai.

Bopomofo

ㄅㄨˋ ㄓ ㄉㄠˋ ㄊㄚ ㄕㄣˊ ˙ㄇㄜ ㄕˊ ˙ㄏㄡ ㄏㄨㄟˊ ˙ㄌㄞ。

Where this sentence comes from

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

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