vicious circle
US /ˈvɪʃ.əs ˈsɜːr.kl̩/
UK /ˈvɪʃ.əs ˈsɜːr.kl̩/

1.
悪循環
a situation in which one problem leads to another problem, and that second problem makes the first problem worse
:
•
The company was caught in a vicious circle of declining sales and budget cuts.
その会社は売上減少と予算削減の悪循環に陥っていた。
•
Lack of sleep can create a vicious circle of stress and fatigue.
睡眠不足はストレスと疲労の悪循環を生み出す可能性がある。