foot ·phrase (IDIOM)
Definition: to say something you should not say, especially something embarrassing Level: C2
他总是发表离谱的评论，老是说错话。
He makes outrageous comments and is always ___putting his ___foot ___in his ___mouth.
在会议中，她不小心说错话，提到了失败的项目。
During the meeting, she accidentally ___put her ___foot ___in her ___mouth by mentioning the failed project.
我希望和老板谈话时不会说错话。
I hope I don't ___put my ___foot ___in my ___mouth when I talk to the boss.