mop and mow

• 做鬼脸；做怪相

mop and mow的用法和样例：

例句

1. Children were giggling and mouthing.
   孩子们一边格格地笑，一边做鬼脸。
2. Then he made faces and jumped like a monkey.
   接着他做鬼脸并象猴子一样地跳。