phrase
C2
a bad situation that keeps going because one problem makes another problem worse.
Many people find themselves in a vicious circle when stress leads to poor sleep, which then increases their stress.
許多人發現自己陷入一個惡性循環，壓力導致睡眠不佳，而睡眠不佳又增加了他們的壓力。
translation
惡性循環