The patient was perceived to have difficulty in breathing.

发现病人呼吸困难。

《牛津词典》

Many students have difficulty in delivering a speech in public, but they can overcome it through training.

很多学生觉得当众发表演讲很困难，但通过训练他们可以克服这一问题。

youdao

Xiaofan, a smart boy from Shenzhen, used to have difficulty in getting up on time, and his alarm clock was of no use at all.

小凡，一个来自深圳的聪明男孩，曾经很难按时起床，他的闹钟根本没用。

youdao

"In my home province, we have difficulty in accessing water." "It does not provide sufficient water like what we have here."

VOA: standard.2010.06.02

Those areas that are most eager to get to the content say they may have difficulty in using it because it's not in their language or might not make sense within their culture.

那些渴望得到这些信息的地区,很可能在使用这些信息时遇到困难,因为这些信息用的不是他们的语言,或者在他们的文化里这些信息不成立。

麻省理工公开课 - 媒体、教育、市场课程节选

Sometimes when I am traveling in America, people have a difficulty understanding me.

有时候，当我在美国旅游的时候，人们要理解我，会有一点困难。

有趣的澳大利亚英语 - SpeakingMax英语口语达人

People from the Asia Pacific region have difficulty in pronouncing the "L" sound, says Dr Jung.

CNN: Plastic surgery boom as Asians seek 'western' look

For the many patients who have difficulty in reaching their goals, Vytorin and Zetia are valuable treatments.

FORBES: Magazine Article

People with Asperger's are often high-achieving but can have difficulty in social situations.

CNN: iReport: 'Naughty Auties' battle autism with virtual interaction