rot·ten/`rɑtṇ; ˈrɒtn/ adj 1 food, wood etc that is rotten has been spoiled or is in bad condition because it is old; DECAYED 腐烂的; 变质的: rotten apples 烂苹果 2informal unkind or unfair 【非正式】 刻薄的; 不公正的: What a rotten thing to do! 这么刻薄的事！ 3informal very bad at doing something 【非正式】 〔做某事〕极差的，糟糕的: Betty is a rotten cook. 贝蒂是个糟糕的厨师。