be good at doing sth的意思|示意

擅长做某事 ... practise doing sth 练习做某事 be good at doing sth 擅长做某事 go on doing sth 继续做某事,指前后做的是同一件事。 ...

擅长于做某事 ... join the art club 参加艺术俱乐部 be good at doing sth 擅长于做某事 tell stories 讲故事 ...

擅长于干某事 ... 擅长于游泳 be good at swimming 特别擅长于 be excellent in 擅长于干某事 be good at doing sth ...

擅长 Both like playing ball games 两个都喜欢球类运动 Be good at doing sth 擅长--- --- 在--- --- 方面做得好 Kangkang is good at playing soccer康康擅长踢足球 ..