shì bú shì
isn’t it?
你是学生吗?
nǐ shì xué sheng ma?
Are you a student?
这是你的书吗?
zhè shì nǐ de shū ma?
Is this your book?
他是老师吗?
tā shì lǎo shī ma?
Is he a teacher?
是否 (shì bù shì)
is it
是不是 (shì bù shì)
is it not
是不是 (shì bù shì)
whether or not
不是 (bù shì)
no
否 (fǒu)
no
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Get Started FreeThe Chinese word 是不是 (shì bù shì) is a question phrase that means "is it or not?" or "is that so?" It is composed of two characters: 是 (shì), which means "to be" or "yes," and 不是 (bù shì), which means "not to be" or "no." The character 是 is also used as a question particle, and in this case it is used to indicate that the speaker is asking a question. The character 不是 is used to negate the verb 是, and in this case it is used to indicate that the speaker is asking a negative question.The word 是不是 is used in a variety of situations, both formal and informal. It can be used to ask for confirmation, to express doubt, or to make a suggestion. For example, you could use 是不是 to ask someone if they are going to a party, or to express your doubt that they will be able to make it. You could also use 是不是 to suggest that someone do something, such as go for a walk or watch a movie.The word 是不是 is a versatile and useful phrase that can be used in a variety of situations. It is important to understand the meaning and usage of this phrase in order to communicate effectively in Chinese.