1、He couldn't get his hair to lie flat because of the cowlick at the front of his head.

他的头发因为前额部位的旋卷而无法平整。

2、Her cowlick always caused her bangs to stick up in an unruly manner.

她的头发旋卷总是导致刘海以一种不整齐的方式竖起来。