1．have trouble/difficulty(in)doing sth. 做某事有困难
2．do sb.a favor/give sb.a hand 给某人帮助
3．ask for help/seek for help 寻求帮助
4．encounter some problems 遇到一些问题
5．be busy/occupied/engaged in doing sth.
忙于做某事
6．make preparations for sth. 为某事做准备
7．put ...in use 学以致用
8．let sb.down 让某人失望
9．overcome the fear 克服恐惧
10．be anxious/eager to do sth./longing to do sth.
渴望做某事
11．take the trouble to do sth. 费心地去做某事
12．offer some constructive guidance 提供一些有益的指导
13．be grateful/thankful/appreciative to sb.for sth.
因某事感激某人
