put foot in mouth 字面意思是：把脚放到嘴里，实际是表示：(行为或言语)使人尴尬，说错话，冒犯别人。

【例句】
Every time I say something, I just seem to put my foot in my mouth.
好像我每一开口，都会冒犯别人。

Ouch! Sounds like you really put your foot in your mouth!
啊呀！听起来你真的是说错话了！