他抿了抿嘴唇，忍住没有笑出来。

He pressed his ___lips together to keep from laughing.

小心别让茶从杯子的边缘溢出来。

Be careful not to let the tea spill over the ___lip of the cup.

别跟我顶嘴，否则你会后悔的。

Don't give me any ___lip, or you'll regret it.