youdao

The doctor contemplated the difficult operation he had to perform.

医生反复思忖那个难做的手术。

youdao

Restful, agreeable and home-like, the atmosphere of the hospital immediately relieved Mother of the anxiety of the difficult operation.

医院里恬静、安适，有一种家庭气氛，使母亲很快解除了对大手术的焦虑。

youdao

In the book business, there's something difficult about maintaining an independent operation.

在书店行业里,要想保持独立的经营模式,还是有些困难的

耶鲁公开课 - 金融市场课程节选

The complexity of Afghanistan's society and the imminent onset of winter and Ramadan will combine to make it the most difficult military operation in his career, he predicted.

CNN: Raiding role for British troops

The Kamajor militia, which has done most of the recent fighting against the rebels, and includes many child recruits in its ranks, is finding co-operation difficult.

ECONOMIST: Waking from Sierra Leone’s long nightmare | The

As I regained my health, I had a lot of time to think about what we always hear about surgery but very rarely actually experience: The recovery from any medical procedure is more difficult than the operation itself.

FORBES: On the Mend: Lessons From the Road to Recovery