adj.粗鲁的；生硬的；粗糙的；粗哑的
Her answer was gruff, but her eyes twinkled. 她的回答很粗鲁，但她眨了眨眼睛。
His gruff hoarse voice struck my ears. 他那粗重嘶哑的嗓音传入了我的耳中。
He could only roar in a gruff voice. 他仅能以沙哑的声音吼叫着。
adv.粗暴地；生硬地
