grumpily
🇺🇸
/ˈɡrʌmpɪli/
🇬🇧
/ˈɡrʌmpɪli/
in a bad-tempered or irritable manner
He grumpily muttered under his breath as he trudged up the stairs.
그는 계단을 올라가며 기분 나쁘게 중얼거렸다.