人生即是一段艰难曲折的旅程.

Life is but a hard and tortuous journey.

这里有着艰难曲折的兵器发展史.

Here is having hard and labyrinthian enginery phylogeny.

任何新生事物的成长都要经过艰难曲折的。

Any emerging thing is bound to experience difficulties and setbacks before it reaches maturity.

任何新生事物的成长都是要经过艰难曲折的.

New things always have to experience difficulties and setbacks as they grow.

凡取得成功的人都走过一段艰难曲折的道路.

All rising to great place is by a winding stair.

这无疑给他艺术生涯铺满了一条艰难曲折而又前途光明灿烂的大道。

This gave him the career of art to overspread one without doubt difficult and the future bright bright main road.

司法独立的思想在我国从认可到批判到再提倡，经过艰难曲折的历史发展。

The ideology of the judiciary independence has experienced a difficult development from acceptance and animadverts to advocacy.

后金融危机时代世界经济发展将呈现出缓慢的复苏，世界经济复苏将是艰难曲折的。

The development of world economy in the post - financial crisis era will revive slowly, and the revival of world economy will be difficult and slow.