The equipment can be tricky to install.

这设备安装起来可能很费事。

《牛津词典》

Getting back into exercise can be a challenge in the best of times, but with gyms and in-person exercise classes off-limits to many people these days, it can be tricky to know where to start.

在境况最好的时候，重新开始锻炼身体也可能是一项挑战，但如今许多人都无法去健身房或参加面授的健身课程，就更是连从何处入手都很难知道。

youdao

Core beliefs can be tricky to locate.

定位核心信念并非易事。

youdao

The administration has found that it is easy to receive applause in Europe for closing Guantanamo, but it is tricky to come up with an alternative that will serve the interests of justice and America's national security,"

VOA: standard.2009.05.21

But that merging process only takes N steps, N*log N so that's N times log of N. Now, it's a little tricky to reason through this perhaps the first time, let's just take a very simple example and see if we can do a little sanity check here.

但这个合并过程只需要N步，所以时间复杂度是,第一次对此进行推论可能会有点儿棘手，我们举一个简单的例子,看看我们能否做一些完整性的检查。

哈佛公开课 - 计算机科学课程节选

Tim Wakefield Tim Wakefield on the DL right now throws a lot slower, because he has that tricky knuckle ball, he doesn't need to throw as fast.

现在受伤停赛的,投的很慢，因为他有一个很难处理的指节球，他不需要扔的很快。

麻省理工公开课 - 化学原理课程节选

Bronzeville is about 4.5 miles south of downtown and tricky to get to without a car.

BBC: Chicago's jazz and blues shrines

As a result networks became a patchwork quilt of spectrum that was tricky to use effectively.

FORBES: After the Budget Deal, How Government Can Support Market Creation, Cheaply

But the claim that the richest are paying more will also be rather tricky to prove.

BBC: Budget 2012: A big debate about small numbers