用于 have difficulty (in) doing sth，表示“做某事有困难”。 如： I had the greatest difficulty in persuading him. 为了说服他，我费了好大的力气。 We have much …
张老师说得对，最常见的用法可能是 have problems (in)doing sth。 但如果不从常用性来考虑，以下表达都是对的： have problem (in) doing sth （problem 为不 …
“have difficulty / trouble ( in ) doing sth.”意为“做某事有困难”，此句型中difficulty / trouble用作不可数名词，其前可用some, much, a little, no, any, little …
have difficulty doing为正确用法，此用法为固定搭配，意为做某事有困难。 difficulty作困难，麻烦的意思时，指必须付出大量的思考和运用技巧才能解决的任何困难，当 …
She had great difficulty finding a job. UK: People with asthma have difficulty in breathing. It seems that British English puts an extra "in" there while difficulty …
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