Water under the bridge 过去的就让它过去吧!无法挽回了!After the two nations that used to hate each other resumed ties. They agreed that past aggression were just water under the bridge.After Elliot got the job offer, he realized he should have asked for higher wages. But it was water under the bridge now.Although Justin and Erica had a bad break up, they were still able to be friendly since their past was just water under the bridge.Definition: Something that has happened and cannot be changed.Etymology: Refers to the movement of a river or a stream under a bridge that cannot be moved or recovered.******例句1:They have been divorced for two years but every time she sees a friend she'd talk about how her ex was being so ungrateful and unfaithful to her. It was her and her family who helped him to succeed in his career and while she has sacrificed everything for him. Although friends have been telling her that 过去的就让它过去吧!It was xxxx, she refused to move on!例句2:The other day I refused his invitation to his family party and I think I have offended him. We were not on very good terms all these year and he eventually made a gesture to make amends that I spurned. Anything I can do to make it up? It's xxx 无法挽回了!xxxxxxxxxxxxxxxxxxxxxxJazz upPeter Jackson jazzed up the Hobbit novel for the film adaptation by adding female characters.The commissioner of the NHL was concerned that Americans were not interested in Hockey anymore. So he jazzed it up by encouraging fighting between players.The Chinese director decided to jazz up the period TV series by making female characters have more revealing clothing.Definition: To make something or someone more exciting or sexy, or more appealing to contemporary tastes.Etymology: From the music form Jazz, jazz qualities have improvisation and quicker tempo.******活跃气氛 使变得有趣例句1:This weekend we are organizing a party in a friend's home in the suburb. I think people who are invited are a bit boring. So, let's find someone interesting to jazz up the occasion. I know someone who can 活跃气氛 (jazz up the atmosphere). 例句2:To jazz up the book fair, many famous writers were invited to meet their readers. 为了让图书节变得有趣,作家被请来与读者见面. 举办读书沙龙