The patient was perceived to have difficulty in breathing.

发现病人呼吸困难。

《牛津词典》

Given the difficulty people have in noticing changes to visual stimuli, one may wonder what would happen if these changes concerned the decisions people make.

考虑到人们很难注意到视觉刺激的变化，人们可能会想知道，如果这些变化与人们所做的决定有关，那会发生什么。

youdao

When the children are young and depend upon the family for financial needs, families with modest incomes have difficulty providing enough life insurance to protect the mother and the children.

当孩子们年幼时，需要依靠家庭满足财务需求，而收入不高的家庭很难购买足够的人寿保险来保护母亲和孩子。

youdao

Extended periods of stress have been linked to headaches, difficulty sleeping, stomach problems and skin disorders.

VOA: special.2009.03.24

Not all of the novels aspire to or have as their purpose that kind of difficulty that sometimes English majors really want.

不是所有的小说都希望或者拥有,英语主修生想到的那种难度。

耶鲁公开课 - 1945年后的美国小说课程节选

So, if you apply that back to Franny, why does Zooey have this difficulty?

因此，如果你们将这点对应弗兰尼来思考，为什么左伊会遇到这个困难呢？

耶鲁公开课 - 1945年后的美国小说课程节选

Far from preparing for the twenty-first century, much of the Arab and Muslim world appears to have difficulty in coming to terms with the nineteenth century, with its composite legacy of secularization, democracy, laissez faire economics, transnational industrial and commercial linkages, social change, and intellectual questioning.

CENTERFORSECURITYPOLICY: Center For Security Policy

Officials are also telling people with flu-like symptoms who have difficulty breathing to seek medical attention immediately.

CNN: Cambodia sees spike in bird flu deaths

Carved in grey stone, the great Chinese traveller looked like the kind of chap who would have difficulty running to catch a bus.

BBC: Following the Silk Road to the end of China