This was the most difficult period of his life.

这是他一生中最困难的时期。

youdao

Mary never give up her study even in the most difficult period.

玛丽在最困难的时候也没有放弃学习。

youdao

Maybe it is the most difficult period of my family have experienced.

这也许是我家经历的最困难的时期。

youdao

He said the most difficult period of the trip was crossing the Yukon Arctic and the Arctic National Wildlife Refuge in Alaska.

VOA: special.2011.03.23

Benitez is facing the most difficult period of his five years in charge at Anfield, but insists he will not compromise his principles to get out of an uncomfortable situation.

BBC: Liverpool manager Benitez 'guarantees' top four finish

"On Wednesday, the chancellor will announce the comprehensive spending review - that will present us with the most difficult spending period in decades, " he said.

BBC: Scotland 'cannot afford the Union', SNP conference told

The anticipatory period leading up to a performance of any sort is difficult for most performers, but there is a particular challenge involved in waiting to perform an act that is to some degree extemporaneous, and battle rap is a rather harrowing mix of the extemporaneous and premeditated.

FORBES: Behind the Scenes at World Domination II, Part One