墮落到這種地步;沉淪到某種程度
to have such low moral standards that you do sth very bad
Stealing from your friends? How could you sink so low?偷到你的朋友頭上了?你怎麼能墮落到這種地步呢?
釋義來自《牛津高階英漢雙解詞典》第 9 版