1.successful是“成功的”的意思，是形容词，原形为success n. 成功，成就；胜利；大获成功 的人或事物 2.be successful at sth. 在……上取得成功 be successful in doing sth. 在做某事上取得成功 be successful in sth. 在……方面取得成功 例子：人们能够在生意上取得成功。 people can be successful in business. people can be successful at business. people can be successful in doing business.
名词短语 : success story : 一个人的成名史 / meet with success 取得成功 形容词短语 : be successful with 在…方面很成功 动词的短语 : succeed in 成功；顺利完成 / nothing succeeds like success 一事成, 事事成