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   have difficulty in doing(with) 做某事有困難：其中difficulty是不可數名詞；可換為trouble ; problem; fun等。

  (1) difficulty (通常作復數) 難事，難點，難題She met with many difficulties when travelling.

  (2) 在以下句型中，difficulty是不可數名詞，不能用復數形式。

  have (some) difficulty (in) doing sth.

                                    干某事有困難

there is (some) difficulty (in) doing sth.

  have (some) difficulty with sth.     

在某事上有困難

  there is (some) difficulty with sth.

  do sth. with difficulty / without difficulty 困難地／輕而易舉地做某事

  We had a lot of difficulty in finding your house.

  Do you have any difficulty with your English?

  【注意】

(1) 以上句型中，difficulty前可加some, little, much, a lot of, no, any修飾

(2) 以上句型中，亦可用trouble來代替difficulty。

have difficulty/trouble (in) doing sth.; with sth.

eg. 1. Did you have difficulty in finding your way?

       2. He has some difficulty with pronunciation.