► 動詞悔しがる [(4)くやしがる]
meaning: upset rank: 1☆
彼は
僅差で
負けて
大変悔しがった ⇨ He was very upset that he had lost by the smallest margin
(☛ Upset and disappointed because you lost some competition or got humiliated, and seek redemption)More examples:- 彼は絶好の機会を逃して悔しがること頻りだ ⇨ He is very upset that he missed a golden opportunity