loosen up: To relax  

1)Brian was really nervous at the begging of his job interview, but he loosened up when the boss started talking about basketball.

2)Loosen up! Monica really likes you, so you have nothing to worry about.

Has the cat got your tongue? 你怎么哑巴了？

1）Why won't you tell me why you got home so late? Has the cat got your tongue?

2)Has the cat got your tongue? You haven' t called me in days!

put up with：忍受

1）You are just a publicity stunt that we have to put up with.

2) He broke up with his girlfriend because he got tired of putting up with her demands.

3) I feel sorry for teachers. They have to put up with a lot.