have a difficulty in doing something
have a difficulty in doing something
have a difficulty (in)doing something有没有这种表示?
have difficulty in doing sth
have some difficulty (in) doing sth.中的 difficulty可数吗
have difficulty in doing sth .have trouble in doing sth
关于have difficulty in doing sth 变形
用have difficulty in doing sth 造句
have difficulties/difficulty in doing sth?
have difficulty doing sth
have difficulty还是difficultyies (in)doing sth?
用have difficulty doing 造句
have trouble doing和have difficulty in doing有区别吗?