腐败的原因传布腐败或腐朽的根源 A source of spreading corruption or decay.
那个腐朽的傀儡政权正在土崩瓦解。 The decadent puppet regime was falling apart.
敌人就在背后，而前面横跨在深谷之上的桥已经腐朽不堪，摇摇晃晃。他处在两难之中，犹豫了起来。 His enemy was close behind him, and the bridge over the ravine was rotten and swaying. Caught between the devil and the deep blue sea, he hesitated.