adj.(声音)粗哑的,生硬的,(人的行为)冷淡的,态度生硬的
His gruff exterior concealed one of the kindest hearts.
他粗暴的外表下藏着一颗非常善良的心。
He picked up the phone expecting to hear the chairman's gruff voice.
他拿起电话,心想会听到主席粗哑的嗓音。
He could be gruff and monosyllabic.
他说话噎人,且话不多。