shown her teeth

• v. 威吓(大发雷霆)

shown her teeth的用法和样例：

例句

1. The matron looked a comfortable, motherly soul but she soon showed her teeth if any of the inmates gave signs of having minds of their own.
   那个女看守看上去内心平静，待人像慈母一般，但是只要被收容者有迹象自作主张，她可就不那么客气了。