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是不是

#857 by frequency

shì bu shì

is or is not (used to form yes-no questions)

Examples

他是不是医生?

Is he a doctor?

这是不是豆腐?

Is this tofu?

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Definitions adapted from CC-CEDICT (CC BY-SA 4.0, modified). Example sentences from Tatoeba (CC BY 2.0 FR). Frequency ranks from the BCC corpus. Full credits on the Attributions page.