laugh off
phrasal verblaugh something off
- (informal) to try to make people think that something is not serious or important, especially by making a joke about it
一笑置之，付之一笑（尤指用笑话摆脱） - He laughed off suggestions that he was going to resign.
传言他要辞职，他一笑置之。
- He laughed off suggestions that he was going to resign.