详细解释:a. 费力的, 吃力的, 勤勉的, 用功的, 冗长乏味的
词型变化：
名词:operoseness副词:operosely英语解释：
形容词 operose:
characterized by toilsome effort to the point of exhaustion; especially physical effort同义词：arduous, backbreaking, grueling, gruelling, hard, heavy, laborious, punishing, toilsome