The expedition through the jungle was fraught with difficulty and danger.是什么意思？

The expedition through the jungle was fraught with difficulty and danger.

穿越森林的探险充满着艰辛和危险.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

expedition

n. 考察，远航，考察队，远征军，（短途的）旅行，迅速（办理）；

例句
A Dr Matthew Owens was reported missing while on an expedition to north-eastern Turkey.
据报道，一位叫马修·欧文斯的博士在前往土耳其东北部考察的途中失踪了。

through

prep. 通过，穿过，经由，透过，凭借；adv. 从头到尾，彻底，自始至终；adj. （电话）接通，通话完毕，有洞的，直达的；

例句
The proposal was instantly voted through with two to one in favour, accompanied by enthusiastic applause...
在热烈的掌声中，提案以2比1的优势很快通过了表决。

jungle

n. （热带）丛林，丛林音乐，乱七八糟的一堆事物，尔虞我诈的环境；

例句
...the isolated jungle area near the Panamanian border...
靠近巴拿马边境的偏僻丛林地区

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

fraught

adj. 充满的，满载的，担心的，忧虑的；n. 货物，装载物；vt. 装货于；

例句
The earliest operations employing this technique were fraught with dangers.
最早使用这种技术的手术充满了危险。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

difficulty

n. 困难，麻烦，难事，难度，异议，争论，纠葛，财政困难，（经济）拮据；

例句
Most people have very little difficulty in seeing why a Van Gogh is a work of genius.
多数人不难理解为什么凡·高的作品是天才之作。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

danger

n. 危险，危险物，威胁；

例句
Many schools were in danger of closing because the children were bused out to other neighborhoods.
很多学校面临倒闭的危险，因为学生被校车送到其他社区就读了。