重点讲解：
1. bump into
偶然遇见；意外碰到；
eg. We'll propably bump into him.
我们也许会碰上他。
eg. I often bump into him at the restaurant.
我经常在餐馆和他偶遇。
2. take sb. to the cleaners
骗走，骗光（钱财）；
eg. Some sharpies took him to the cleaners.
一些骗子把他的钱骗光了。
eg. He was taken to the cleaners in a card game last night.
他昨晚玩纸牌输得精光。
3. cheat on
背着（配偶、性伴侣）乱搞；对（配偶、性伴侣）不忠；
eg. I'd found Philippe was cheating on me and I was angry and hurt.
发觉菲利普对我不忠后，我又气愤又伤心。
eg. She was tempting him to cheat on his wife.
她诱使他对妻子不忠。
