Optimism made him alive through the hard days.是什么意思？

Optimism made him alive through the hard days.

乐观主义使他在艰难的岁月里活了下来。

optimism

n. 乐观，乐观主义；

例句
UN officials are expressing cautious optimism that the latest ceasefire is holding.
联合国官员对于最近的停火协定是否有效持谨慎的乐观态度。

made

adj. …制的，（人工）做成的，拼成的，虚构的，保证成功的；v. 使(make的过去式和过去分词)；

例句
Single people are treated as an aberration and made to pay a supplement.
独身者被当成异类，而且要付一笔额外的费用。

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。

alive

adj. 活着的，活泼的，有生气的，敏感的；

例句
Deptford had come alive with the advent of the new priest at St Paul's.
圣保罗教堂新牧师的到来使德特福德变得生机勃勃。

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。

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。

hard

adj. 困难的，硬的，有力的，努力的；adv. 努力地，猛力地，严重地，沉重地；n. 英〉硬海滩，登陆处；

例句
The team fought hard and gave a good account of themselves.
这支队伍奋力拼搏，表现出色。

days

n. 天，时期，一天( day的名词复数 )，白天，时期，工作日；adv. 每天，在白天；

例句
There's lots of money about these days for schemes like this.
近来这类计划资金充足。