pitfall

名词 pitfall:

1. an unforeseen or unexpected or surprising difficulty
   同义词：booby trap
2. a trap in the form of a concealed hole
   同义词：pit

1. The road to the conquest of cancer is long and full of pitfall.
   战胜癌症的征途是漫长的，而且布满意想不到的困难。
2. If John had come straight home none of this would have happened. Ah well, life is full of snares and pitfalls and no one is proof against them all.
   要是约翰直接回家就不会发生这种事了。算了吧，生活充满了诱惑和风险，没有人能挡得住的。
3. A concealed hole in the ground used as a trap; a pitfall.
   陷阱地上用做陷阱的隐藏的洞; 陷阱

pit.fall

n.（名词）
An unapparent source of trouble or danger; a hidden hazard:
隐藏的危险，隐患：不明显的困难或危险；隐患：
例句：
.potential pitfalls stemming from their optimistic inflation assumptions.(New York Times)
.他们过于乐观和膨胀的自负带来了许多隐患.(纽约时报)

A concealed hole in the ground that serves as a trap.
陷阱，圈套：作为陷阱用的地上的隐蔽洞穴