This disease is surprisingly difficult to catch, as most people have a natural resistance to it.

这种病令人惊讶的难以患上，因为大多数人对它有一种先天的免疫力。

《柯林斯英汉双解大词典》

As a result, it can be difficult to catch and correct errors in included template files.

因此，很难捕获和改正包含的模板文件中的错误。

youdao

"That takes a long time to build," Mr. Ceipek said of the analytical materials that firms like LexisNexis have either bought or developed over the years. "it's very difficult to catch up."

“取得这些资料需要很长时间，”希佩克先生提及像LexisNexis这样的公司购买或经过多年开发取得的分析资料时说，“要赶上我们是非常困难的。”

youdao

For hunters,these five animals were some of the most difficult and dangerous to catch.

VOA: special.2009.08.19

While some of their clients are middle class professionals from the community at large, many brothels will only accept a narrow clientele to make it difficult for law enforcement to catch them.

VOA: standard.2010.05.24

But it will be much more difficult to catch up with the US - Silicon Valley.

BBC: Q&A: Where will China's innovators come from?

But the world moves so fast that once you fall behind, it can be very difficult to catch up.

FORBES: Strategic Agility: The Antidote to a Hostile Business Environment

"In such a short leg it was always going to be difficult to catch anyone that got away, " said skipper Smith.

BBC: Leg Seven: Dutch courage prevails