a mordant + noun
作定语时直接放在名词前，多修饰幽默、评论、讽刺等抽象名词。
She is known for her mordant wit.
她以尖刻的机智而闻名。
媒染的；固色用的；具有或表现出尖锐或批判性；用于将染料固定在纤维上的物质；尖酸的
sharp, biting, or critical in tone or expression
具有或表现出尖锐或批判性
Having or showing a sharp or critical quality.
用于将染料固定在纤维上的物质
Serving to fix a dye to a fiber.
Her mordant wit made everyone laugh, though some were a bit hurt.
她那尖酸的机智让每个人都笑了，尽管有些人有点受伤。
用法提示：在此句中，'mordant' 修饰 'wit'，表示一种尖酸刻薄的幽默。
The critic's mordant review of the play was both insightful and unkind.
评论家对这部戏剧的尖刻评论既深刻又不留情面。
用法提示：在此句中，'mordant' 形容评论，意为辛辣尖刻。
He is known for his mordant sense of humor, which often offends people.
他以尖刻的幽默感闻名，常常冒犯别人。
用法提示：在此句中，'mordant' 修饰 'sense of humor'，表示一种尖锐刻薄的幽默。
作定语时直接放在名词前，多修饰幽默、评论、讽刺等抽象名词。
She is known for her mordant wit.
她以尖刻的机智而闻名。
作表语时表示言辞或语气尖锐、辛辣，主语多为 remarks、humour、tone 等词。
His remarks were mordant but fair.
他的评论尖刻但公正。
grammar · medium
易错句子The mordant blade cut through the rope easily.
正确表达The sharp blade cut through the rope easily.
'Mordant' 表示言辞尖刻、辛辣，或指媒染剂，不能形容物体物理上锋利；物理锋利要用 'sharp'。汉语'尖锐'兼指物体尖利和言辞尖刻，容易迁移成这个错误。
grammar · medium
易错句子He made a mordant about the manager's mistake.
正确表达He made a mordant remark about the manager's mistake.
表示'尖刻的话'时，'mordant' 是形容词，不能直接作可数名词；必须后接被修饰名词，如 'remark/comment'。汉语可说'一句尖刻（的话）'省略中心词，英语不能这样省略。
两者都能形容言辞尖刻，但 mordant 多指带讽刺意味、机智犀利的幽默或评论，语体偏书面文雅；caustic 更强调伤人、刻毒，并且常用于“腐蚀性的”这一化学本义。
sardonic 侧重冷淡、不屑的讥笑神情或语气；mordant 强调机智而尖锐的讽刺锋芒，常修饰 humor、wit 一类词。
拼写和读音都与 mordant 相近，容易看错：moribund 指濒临死亡或失去活力，与“尖刻”无关；表示言辞辛辣讽刺的是 mordant。
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