chagrined
🇺🇸
/ʃəˈɡrɪnd/
🇬🇧
/ˈʃæɡrɪnd/
feeling unhappy because something did not go as planned or hoped
When he realized his mistake, he was chagrined and apologized.
彼は自分の誤りに気づいたとき、気まずい思いをし、謝罪しました。