饮气吞声 (飲氣吞聲) yǐn qì tūn shēng

yǐn qì tūn shēng set phrase drink anger and swallow cries; bitter regret
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: (Guoyu '飲氣吞聲'; Han Dian '饮气吞声')