如何使用 "frown" 造句

1. The frown was pure concentration , nothing more .
至于皱眉,则纯粹是全神贯注所致,仅此而已。
2. But is it because a frown is a learned behavior ?
但皱眉是后天习得的行为么?
3. So there 's no reason to be wearing a frown , my friend .
所以,我的朋友,你没有理由每天都皱眉头。
4. Lie had a bullfrog frown and a chest covered with medals .
他皱眉的样子好似牛蛙,胸前挂满了勋章。
5. The character looks like an unhappy face with drooping eyes and a frown .
这个字看起来像是一张不开心的脸,眼睛耷拉下垂,皱眉。