smarty pants
01
自作聪明, 假聪明
used to describe someone who acts overly intelligent or pretends to know more than others, often in a smug or show-off manner. It can be used affectionately or sarcastically
Humorous
Informal
例子
He always used to be the smarty pants in class, answering every question before anyone else could.
他在班上总是自作聪明，在别人之前回答每一个问题。
