Sweep under the rug 隐瞒 避开不谈 The Queen decided to sweep the identity of the prince's real father under the rug.The employee who made a mistake swept it under the rug, in the hope his boss would not notice.The President wanted to sweep his affair with the intern under the rug.Definition: To avoid discussing or dealing with (something negative or troubling).Etymology: This idiom alludes to sweeping dust under the rug, so it wouldn't be seen.******例句1 The man wants to sweep his criminal record under the rug everytime he dates a girl. However, they have all ended up finding it out. Why not telling the truth. This way he may come up with someone who can put up with him.例句2 HIV or aids patients are still being discriminated against. That's why many of them decided to sweep the truth under the rug when applying for jobs or socializing with people. 例句3 He has a terrible personality. Nobody likes him. He has been bullied by many students. But whenever teachers investigate, students sweep the situation under the rug. 避开不谈 xxxxxxxxxxxxxxxxxxxPunch above one's weightChris, the personal trainer, told his student not to punch above his weight.The small football team punched above their weight by beating Manchester United.Jeff punched above his weight by asking Lindsey out on a date.Definition: 1) To be in a situation that requires powers or abilities that one does not possess.2) To be temporarily successful in such a situation.Etymology: From boxing; a fighter who is punching above his weight is fighting an opponent who is heavier and more dominant.******勉为其难 超常发挥例句1,He was sent to a remote place to assist locals in a teaching program. But unfortunately his wife got ill and he himself was not performing to the standard, the management decided not to punch above his weight and shortened his tenure. 例句2,She was not the most brilliant girl in class but that year in Gaokao she punched above her weight and got the highest scores in the examinations and was recruited by Peking University.