that引导名词性从句。
例句
Who played that heart?
谁打出的那张红桃？
Is that gun licensed?
那支枪有持枪执照吗？
It\'s about that long.
大约有那么长。
Whose house is that?
那是谁的房子？
Quit it! That hurts!
戒掉它吧！这东西害人！
水利万物而不争,
而万物莫能与之争。
