be busy in doing sth

意思翻译 忙于做某事 相似词语短语 be busy doing sth───忙着做某事 be busy doing───忙着做某事；忙于（做）... busy doing───忙于 doing sth───正在做某事 be busy in───忙于做（某事） be busy───忙的；不遑宁处；忙碌；忙活；赶趁 employed in doing sth───受雇于做某事 hesitate in doing sth───在做某事时犹豫不决 succeeded in doing...