pot-hole比喻？

共同研习

This flaw in the design plan leads to a reassessment, and an adjustment to add a few pot-holes or obstacles along the way.

+ u* e5 h; y7 g9 \粗略看来，pot-hole似乎是某种比喻，但是词典上查不到比喻的用法。这句话怎么翻比较好？

弹钢琴

你也不给语境，单放这么一句话，谁能知道什么意思

共同研习

A pothole is a minor difficulty encountered along a reasonably smooth path (a pothole is where part of the road surface has a hole in it, so it’s bumpy when you drive over it).

; v2 `$ s2 a5 o
https://hinative.com/questions/22282635

这里有讨论，网友们的意见是，pothole比较minor。
6 O" a! t- |8 ]5 P+ x$ E我本来想用坎坷来翻译，但感觉坎坷这词太重了，不够minor。

共同研习

我暂时决定翻译为 不平坦。