1.释义：
a problem or difficulty that is likely to happen in a particular job, course of action, or activity
2. 例句：
A used car is indeed a bargain, but there can be many pitfalls associated with the purchase of one.
买二手车固然便宜，但其实里面有很多坑。
Many freelancers favor working at home because it saves rent and reduces commute time. However, pitfalls of this practice abound.
很多自由职业者喜欢在家办公，因为可以节省办公室租金，节省通勤时间，但其实这里面也有很多坑。
3. 造句：
一个律师的任务就是用自己的专业技能帮助客户避开法律中的坑。
The task of a lawyer is to use professional skills to help clients avoid law pitfalls.
参考翻译：A lawyer's job is to use his expertise to help his clients to avoid legal pitfalls.
英语老师的任务就是用自己的专业技能帮助学生避开语言学习当中的坑。
An English teacher's job is to use his expertise to help students to avoid pitfalls in language learning.
