Meaning of shì:
shì
是
Verb
variant of 是[shi4]; to be (followed by substantives only); correct; right; true
Zhè shì yì zhī kě'ài de māo.
这是一只可爱的猫。
This is a cute cat.
Nà gè rén shì wǒ de lǎoshī.
那个人是我的老师。
That person is my teacher.
Tā de huídá shì zhèngquè de.
他的回答是正确的。
His answer is correct.
Particle
(respectful acknowledgement of a command) very well
Tā shuō tā xǐhuān zhè běn shū, wǒ shuō nà shì yī běn hǎo shū.
他说他喜欢这本书，我说那是一本好书。
He said he liked this book, and I said that it is a good book.
Adverb
(adverb for emphatic assertion)
Zhè běn shū shì wǒ zuì xǐhuān de.
这本书是我最喜欢的。
This book is indeed my favorite.
