名詞 detraction:

1. a petty disparagement
   同義詞：petty criticism
2. the act of discrediting or detracting from someone's reputation (especially by slander)

de.trac.tion

n.（名詞）
The act of detracting or taking away.
減損，轉(zhuǎn)移
A derogatory or damaging comment on a person`s character or reputation; disparagement:
誹謗，毀譽：關(guān)于人的性情或名譽的貶抑性評論；毀謗：
例句：
The candidate responded sharply to the long list of detractions concocted by his opponent.
該委員對其反對者編造的長篇毀譽反應(yīng)敏銳

【引伸】
detrac.tive
adj.（形容詞）
detrac.tively
adv.（副詞）