detract from

汉语翻译

例句：

1. A little crack detracts from the value of the vase.
   小小的裂痕减损那个花瓶的价值。
2. 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。