我昨天不必读书。

I didn't have to study yesterday.

Traditional

我昨天不必讀書。

Pinyin

Wǒ zuótiān búbì dúshū.

Bopomofo

ㄨㄛˇ ㄗㄨㄛˊ ㄊㄧㄢ ㄅㄨˊ ㄅㄧˋ ㄉㄨˊ ㄕㄨ。

Where this sentence comes from

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

Tatoeba writes this sentence in traditional characters: 我昨天不必讀書。 Chinese Boost builds every reading of a sentence from simplified characters, so it has been converted here.

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