詞：pitfall

英英釋義：a problem or difficulty that is likely to happen in a particular job, course of action, or activity

例句：A used car is indeed a bargain, but there can be many pitfalls associated with the purchase of one.

2. 為什么選這個詞？

“pitfall”是可數名詞，意思都是“陷阱、隱患、坑”。這個詞由 pit 和 fall 兩部分組成，pit 本身有“深坑”的意思，而 fall 有“落下”的意思，就像一個人不小心掉進坑里一樣，非常有畫面感，相信大家一下子就記住了。我們可以用 pitfall 來替換 danger 和 trap。下面通過生活中幾個常見場景來掌握這個單詞。

買二手車固然便宜，但其實里面有很多坑，就可以說：

A used car is indeed a bargain, but there can be many pitfalls associated with the purchase of one.

很多自由職業者喜歡在家辦公，因為可以節省辦公室租金，節省通勤時間，但其實這里面也有很多坑，比如難以形成一種高效的工作習慣、很容易被家里的事情分散注意力，就可以說：

Many freelancers favor working at home because it saves rent and reduces commute time. However, pitfalls of this practice abound.

我們經常會讀到“認知缺陷”或“認知陷阱”，對應的英文就是 cognitive pitfalls。我們就可以這樣提醒自己：

We should be aware of cognitive pitfalls.

我幾年前開始寫公眾號是為了提醒其他人英語學習中一些常見的坑，就可以說：

I started to blog about English learning because I wanted to warn other English learners of common pitfalls.

3. 怎樣學會使用這個詞？

1）翻譯下面的句子：

一個律師的任務就是用自己的專業技能幫助客戶避開法律中的坑。

（參考翻譯：A lawyer's job is to use his expertise to help his clients to avoid legal pitfalls. ）

2)造句

Chinese favor online shopping ,whereas pitfalls of online advertisement campaign abound.

Even investing in most promising and lucrative field,we should be alert to potential pitfalls