这位作家以其辛辣的评论而闻名。

The writer is known for his piquant remarks on social issues.

piquant 来自法语，原意是"刺激的、辛辣的"，常用来形容食物味道辛辣或评论尖锐犀利。这个词由词根 piqu-(刺激)和形容词后缀 -ant 组成，在英语中特指"辛辣而令人印象深刻的"。