Sentence examples for be tricky and difficult from inspiring English sources

Revolutions sometimes can be tricky, and difficult.

Since, high likelihood of homoplasy is tricky and difficult in the genus Ophioglossum, morphology based species reports are known to be problematic36.

Facebook's much-debated news feed algorithm (called EdgeRank, but perhaps no longer inside the four walls of the company) is tricky and difficult to master – just when you think you've got the hang of posting with affinity, weight and time decay in mind, the dials are turned, things are changed behind the scenes and your stats suddenly look entirely different.

"The match went well but it was tricky and difficult to feel comfortable on the court because of the conditions," said Murray, who has a home in Miami.

Applying the strip can be tricky and sometimes difficult to accomplish.

In jurisdictions with less history with the industry, verification can be tricky and uncertainty may be difficult to eliminate.

Taking out a loan for raw land is tricky and much more difficult than getting a loan for an existing home.

That's tricky and testy.

Corporate structure is tricky and bankruptcy structure is tricky.

It's tricky, and effective.

Endings are tricky and perhaps particularly tricky in television.