have difficulty in的用法和樣例：
例句
- I know what I want to say but I have difficulty in putting it across.
我知道我想說什麼，但我覺得難以表達清楚。 - Women who do not ovulate regularly have difficulty in becoming pregnant.
婦女排卵期不正常就不易受孕。 - Modern artists have difficulty in finding patrons.
現代藝術家們很難找到贊助人。 - The patient was perceived to have difficulty in standing and walking.
據觀察所見，病人站立和行走都有困難。
