您要查找的是不是：
- be proficient in doing sth. 做某事很熟练
- be proficient in doing sth 做某事很熟练
- After reading this book, you will be proficient in writing. 读完这本书，你会精于写作。
- Be instrumental in doing sth for sb. 为某人干某事出力。
- Go beyond one's duty in doing sth. 超越职权范围做某事
- Be proficient in English with customer. 能熟练运用英语与客人交谈。
- Be proficient in English communicating. 熟练的英语沟通能力；
- Students must be proficient in English. 学生必须精通英语。
- We should do our utmost in doing sth. 我们应该尽力去做某事。
- Be proficient in prevailing enterprise management theory. 掌握现代企业管理理论；
- Do you think you are proficient in both written and spoken English? 你在英语说写方面熟练吗?
- Concentrating on. Have trouble in doing sth. 做什么事情有麻烦。
- Find some difficulty in doing sth. 发现做某事有困难。
- He was proficient in all questions of genealogy. 他非常精通所有家谱的问题。
- Spend a lot of care on sth. [in doing sth. 在某事上[做某事时]费很多心血。
- I think I am proficient in written English. 我认为我相当精通英文写作。
- I failed to persevere in doing sth. 我不能坚持不懈的做某事。
- He was proficient in all questions of genealogy . 他非常精通所有家谱的问题。
- If you want to persist in doing sth,do it everyday. 如果你希望坚持做某件事，那就坚持每天做。
- Be proficient in and posses a willingness to embrace change management. 精通和愿意去接受变化的管理。
