detract
/dɪˈtrækt; dɪ`trækt/ v[Ipr]
~ from sth make sth seem less valuable or important 减损某事物的价值或重要性; 贬低
detract from the merit, value, worth, excellence, etc of sth 有损於某事物的好处、 重要性、 价值、 优点等
criticism that detracts from her achievements 贬低她成就的批评
This unpleasant incident detracted from our enjoyment of the evening. 这件不愉快的事情使我们当晚兴致大减.