精选优质文档-倾情为你奉上1. 避免做某事 escape doing sth.2. 对是必要的 be essential for/to3. 每三周 every three weeks4. 每隔一天 every other day5. 为树立榜样 set an example to6. 除了之外,只得做某事 doing nothing except do7. 用来换 exchange sth. for sth.8. 原谅某人做某事 excuse sb. for doing sth.9. 正如所预料的 as is expected10. 对某人期待太高 expect a lot/too much of sb.11. 医药费 medical expense12. 向某人解释某事 explain to sb. sth.13. 把自己的意思表达清楚 explain sth.14. 表示同情 express sympathy15. 面临 ba faced with/by