have an affair with somebody

　　这个表达就是“外遇”的意思(A sexual relationship between two people, usually when one or both of them are married to somebody else)。

　　那“出轨”，就是cheat on somebody。

　　“小三”呢就是home wrecker(破坏家庭幸福的人)。

　　heavy defeat

　　heavy这个形容词，超级好用。这里的意思呢，是“惨败”。来看看其他的搭配：

　　heavy traffic

　　heavy rain/snow

　　a heavy sleeper 睡的很沉的人

　　a heavy heart 沉重的心情 = a feeling of great sadness

　　a heavy smoker 老烟枪

　　work wonders

　　wonder有奇迹的意思，所以这个表达的意思呢，就是to achieve very good results。比如：Her new diet and exercise program has worked wonders for her.