不知道他什么时候才回来。

I don't know when he'll come back.

Traditional

不知道他什麼時候才回來。

Pinyin

Bù zhīdào tā shénme shíhou cái huílai.

Bopomofo

ㄅㄨˋ ㄓ ㄉㄠˋ ㄊㄚ ㄕㄣˊ ˙ㄇㄜ ㄕˊ ˙ㄏㄡ ㄘㄞˊ ㄏㄨㄟˊ ˙ㄌㄞ。

Where this sentence comes from

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

Tatoeba writes this sentence in traditional characters: 不知道他什麼時候才回來。 Chinese Boost builds every reading of a sentence from simplified characters, so it has been converted here.

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