n.[C]

1. 陷阱；圈套
   There are many pitfalls for teenagers today.

   對現今的青少年來說，到處有許多陷阱。

2. 隱藏的危險；易犯的錯誤；意想不到的困難
   The road to the conquest of cancer is long and full of pitfalls.

   戰勝癌症的征途是漫長的，而且布滿意想不到的困難。

n.

1. a hidden or unsuspected danger or difficulty.
2. a covered pit for use as a trap.