idiom
a slippery slope
一个看似导致不良或危险后果的行动
Meaning
a course of action that seems to lead to undesirable or dangerous consequences
Example
Starting to ignore small violations can lead to **a slippery slope** of bigger legal issues.
开始忽视小的违规行为可能会导致 **一个滑坡** 更大的法律问题。