어린아이처럼 심술을 부리거나 사소한 일에 성마르게 구는
(of a person or their manner) childishly sulky or bad-tempered, especially when one's demands are not met
예문:
"The spoiled heir threw a petulant tantrum when the store refused to stay open late for him."
"His petulant tone during the meeting suggested he was unhappy with the committee's decision."
"When the game was canceled due to rain, the child gave a petulant shrug and refused to speak."