mordancy

这位评论家以笔锋的锐利而闻名，总能一针见血地指出作品的弱点。

The critic was known for the ___mordancy of her pen, always pinpointing a work's weaknesses.

尽管他的演讲充满尖锐的讽刺，听众却因其中蕴含的深刻见解而为之折服。

Despite the ___mordancy in his speech, the audience was captivated by its profound insights.

讽刺作家的犀利文风使他的专栏在众多温和的评论中显得格外突出。

The satirist's ___mordancy made his column stand out among gentler commentary.