detract from

v. 减损, 削弱, 贬低

例句与用法：

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。

词形变化：

名词: detractor | 动词过去式: detracted | 动词过去分词: detracted | 动词现在分词: detracting | 动词第三人称单数: detracts |

详细释义：

减损; 降低

That does not detract from his merit.

那无损于他的优点。