It's difficult to know exactly where you will be and what you will be doing.

很难确切知道你将在哪里，将做何事。

youdao

For most designers, it can be difficult to find inspiration by doing quite the same tasks within daily ongoing projects.

对于大多数设计师来说，在日复一日的项目里靠着相同的任务来寻找灵感是很困难的。

youdao

Does every individual have an obligation to think seriously about important matters,even when doing so may be difficult?

是否每个人都有义务去对那些重要的事务认真思考，即使这样做可能非常困难？

youdao

"Obviously (it will be) difficult, but we have been doing our work, and we will be successful, " he said.

CNN: Papandreou: Greece won't default on debt

"It will be the cost of doing business in the U.S., and it will be difficult for everyone, " Ms. Spiegel said.

WSJ: Health-Care Industry Moves Ahead With Plans

Because they're volunteer-based, and because each state uses different methods to measure reading level, doing a nationwide study would be difficult.

CNN: Learning to read? Try talking to a dog