adjective · having a sharp tip or fine point

他手里拿着一把尖锐的匕首。

adjective · sharp or fierce, often describing conflicts or contradictions

双方的矛盾日益尖锐。

adjective · sharp and piercing in sound or insight

她的声音尖锐刺耳。

adjective · describing a medical condition that is severe and of sudden onset

他突然感到胸口有一阵尖锐的刺痛。