detract from

detract from汉语翻译：
贬低, 减损例句：

A little crack detracts from the value of the vase.小小的裂痕减损那个花瓶的价值。

His high voice and unpleasant appearance detract from his effectiveness as a speaker.说话语调高，加之外貌不太好看，有损于他作为演讲者的影响。