有 BE QUICK AT DOING 这个词组吗?

有 BE QUICK AT DOING 这个词组吗? 有be quick in doing sth这个词组吗? 请问be aimed at doing sth.和aim at doing sth.有什么区别? be successful in (doing) sth.be successful at (doing) sth.如何翻译,有什么区别 be surprised at doing sth有这个短语吗? be experienced at doing sth有这个词组吗 the boy is quick of understanding有be quick of 着个词组么?be quick be expert at doing 还是in doing 有be sorry doing 造句 be good at doing sth at work ,be work doing 区别 用be good at doing造句 be good at doing sth 等于 be good at+do 还是doing be gifted at doing举两个例子 be quick in doing是否=do sth quickly可以当成同一句吗？ 有没有be heard doing? 作文 Be quick!