have difficulty in doing sth
have trouble/problem doing sth
It's trouble/difficulty in doing sth
do sth with difficulty 做某事有困难
find difficulty doing sth 发现做某事有困难
sth be difficult for sb 做某事对某人有困难
怎么想就怎么说,意思到了就行,但不要语法错误哦,英语局限性也不是很多.用hard tough 也行,意思相近.