The complexities of life bothered him.是什么意思？

The complexities of life bothered him.

生活的复杂使他困惑.

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。

complexities

n. 复杂性(complexity的名词复数)，复杂的事物；

例句
...his failure to understand the labyrinthine complexities of the situation.
他对这一错综复杂的情况摸不着头脑

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

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

life

n. 生活，生计，生命，性命，一生，寿命，人生，尘世；

例句
In his later life he became even more absent-minded.
他晚年变得愈加健忘了。

bothered

v. 打扰( bother的过去式和过去分词 )，烦扰，迷惑，（使）不安；

例句
I just can't be bothered to look after the house...
我就是不想费事照看这所房子。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。