作用
zuòyòng
I n.
1) action; function
这种药有什么作用？ What's the function of this medicine?
2) effect
我的话对他起不了作用。 My words have no effect on her.
3) intention; motive
II v.
act on; affect
III cons.
qǐ A 作用: play the role of A; produce an A effect
IV suf. lg.
lg. -ation; -ing; -ization