1. 英英释义：a problem or difficulty that is likely to happen in a particular job, course of action, or activity
2. 理解："pitfall"是可数名词，意思是“陷阱、隐患、坑”。这个词由pit和fall两部分组成，pit本身有“深坑”的意思，而fall有“落下”的意思，就像一个人不小心掉进坑里一样，非常有画面感，相信大家一下子就记住了。我们可以用pitfall来替换danger和trap。
3. 应用：
1）翻译：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。
A lawyer's job is to use his expertise to help his clients to avoid legal pitfalls.
2) 造句：很多人因为省学费省交通时间等原因青睐网上上课，其实这里面也有很多坑。
a. 语境：
b. 句子：Many people favor studying on the Internet because it saves tuition and reduces commute time. However, pitfalls of this practice abound.
