succeed [v] succeed in doing sth
success [n] sth is a success
successful [adj] sth is successful
successfully [adv] do sth successfully
hard working 形容词 - 工作勤奋的 是一个词 一般写成 Hardworking
working hard 动词ing+副词 辛勤工作
hard work 形容词+名词 困难的工作
work hard 动词原形+ 副词 辛勤工作
望采纳!