它既是可数也是不可数名词.当做"困难的事"讲是可数名词,而做"困难"讲则是不可数名词.
关于difficulty的用法difference可数
difficulty可数与不可数都行
另外，“have some difficulty”表示“有某种困难”，“have some difficulties”表示“有一些困难”，意思不同的！
different意思是不同的2113；各别的，另外的；各种的。是形5261容词。difficulty意思是困难，费劲4102；难事，难题；麻烦，困1653境。是名词。例句：
different
1、London was different from most European capitals.
伦敦同大多数欧洲国家的首都都有所不同。2、Different countries specialised in different products.
不同国家专门生产不同的产品。3、This recipe is certainly interesting and different.
这种烹饪法的确很有意思而且与众不同。4、If he'd attended music school,how might things have been different?如果他上过音乐学校，事情会有怎样的不同呢？difficulty
1、The country is facing great economic difficulties.
该国正面临巨大的经济困难。2、Do you have difficulty getting up?你能站起来吗？3、You have to admit that you are,in fact,in difficulties.
你不得不承认，你事实上是陷入了困境。4、The injured man mounted his horse with difficulty.
受伤的男子艰难地上了马。
have difficulty是正确的，此为固定搭配，不可使用复数形式，意为有困难的。difficulty的用法：
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，当表示抽象的困难时，是不可数名词，既不能与不定冠词连用，也不能用于复数形式。表示具体的难处，难事，麻烦时，是可数名词，既可与不定冠词连用，也可用于复数形式。difficulty引申还可作困境（尤指经济上的拮据）的意思时，这时常用复数形式。扩展资料：
重点词汇解释：
1、difficulty
n.困难，困境
双语例句：
They discussed the difficulty of studying abroad.
他们讨论了到国外学习的困难。2、have
vt.有；让；拿；从事；允许
aux.已经
双语例句：
Do you have difficulty getting up？你起床有困难吗？
difficulty后常接“of+n./v-ing”或“in+v-ing”作定语2113,
in有时可省去,不用动词不定式
找到他5261并不难。4102错误的
There
is
no
difficulty
to
find
him.
正确的
There
is
no
difficulty
in
finding
him.
difficulty如需用非谓1653语动词作定语,须用(in+)v-ing,不可用动词不定式。希望可以帮助到你。
difficulty
n.
ties
困难；艰难
Thisquestion is full of difficulties.
这个问题困难很多.
Do you have any difficulty with 你英语上有困难吗?At first,the government had great difficulty in persuading people to leave Rio and to settle in Brasilia.
开始时,政府很难说服人们离开里约热内卢去巴西利亚落户.
难处；麻烦；困境
money difficulties
经济拮据
difficulty
Difficulty is a process of something becoming very difficult.
For example:The opposite of easy is difficulty so if you learn you'll never experience difficulty.
困难,难点.
（摘自金山词霸）
