是不是✔[ shì bu shì ]🎙️ Pronunciation ☆ Save wordLevel: HSK 1▼ sentence1. yes or no; is or isn't; whether or not🔊 这件事是不是你做的?zhè jiàn shì shìbùshì nǐ zuò de?Were you the one who did this?🔊 这道题是不是很难啊?zhè dào tí shìbùshì hěn nán a?Is this question very difficult?🔊 这本书是不是很好看?zhè běn shū shìbùshì hěn hǎokàn?Is this book interesting?Illustration