[duò luò]
go downhill; degenerate; fall [drop] by the way side; go to the bad; go to the deuce [devil]; sink low
degenerate under the temptation of money
受金钱的诱惑而堕落
degenerate into a criminal
堕落成罪犯
embark on the road of degeneration and crime
走上堕落、犯罪的道路
be politically degenerate
政治上堕落
How could he sink to such depths?
他怎么会堕落到这种地步呢?
Drinking and gambling sank him completely.
饮酒和赌博使他彻底堕落了。