重點講解：
1. pass on 將…傳給；將…交給；
例句：Everyone was struck by their readiness to pass on all they knew.
他們很愿意把自己的知識傳給別人，這給每個人都留下深刻印象G3#5*Y2rd0iLg!。
2. add insult to injury 更為不公的是；更不可接受的是；更糟的是；
例句：The driver of the car that killed Smith got a $250 fine and five penalty points on his licence. To add insult to injury, he drove away from court in his own car.
撞死史密斯的汽車司機僅被罰款250美元，駕照上扣了5分Z*1K8JHFtU^aEUjL-izT。更讓人不可接受的是,他竟然開著自己的車從法院揚長而去Z4_#]j,XjbT3FOH。
3. look up （在參考書、列表等中）查檢（事實或信息；
例句：You can look up a character under its radical.
你可以根據(jù)部首查找漢字0Ikm_,k4,z9。
4. swell up (身體部位)腫脹，膨脹；
例句：When you develop a throat infection or catch a cold the glands in the neck swell up.
當咽喉感染或感冒時，扁桃腺就會腫脹VFH-xiV|iw。