苦涩 (kǔ sè): Bitter and astringent (Adjective) — Meaning & Stroke Order

Despite achieving success, there was still a trace of a bitter smile on his face.

This report reveals the bitter reality that accompanies the process of market transformation.

Recalling that bitter past, his mood became heavy.

Have you also tasted the indescribable bitterness that follows the shattering of a dream?