He felt extremely frustrated when things went against him.是什么意思？

He felt extremely frustrated when things went against him.

形势对他不利时,他感到非常失望。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

felt

n. 毛毡；v. 摸索( feel的过去式和过去分词 )，触，深感，以为；

例句
She felt as if his words had granted her absolution.
她感觉他的那番话好似给她下了道赦令。

extremely

adv. 极端地，非常，很，去，绝；

例句
The rifle was extremely accurate...
这把步枪准头极高。

frustrated

adj. 挫败的，失意的，泄气的；v. 使不成功( frustrate的过去式和过去分词 )，挫败，使受挫折，令人沮丧；

例句
Douglas plays a frustrated American everyman who suddenly loses control under the pressure of daily life.
道格拉斯扮演一个失意的普通美国人，他在日常生活压力下突然失控。

when

adv. 什么时候，（用于时间的表达方式之后）在那时，其时，当时；conj. 在…时，既然，如果；pron. 什么时候，那时；n. 时间，时候，日期，场合；

例句
It was a Christmas when shoppers passed by expensive silks in favor of more practical gifts.
这是一个购物者不理会昂贵的丝绸衣服而热衷于更实用礼物的圣诞节。

things

n. （个人的）用品，需要的东西，生物，事实，物（ thing的名词复数 ）；

例句
Talk things through in stages. Do not accuse or apportion blame.
把事情按部就班地讲清楚。不要责难或归罪于人。

went

v. 进行( go的过去式 )，去，进展；

例句
I went round the streets and found his new abode.
我走街串巷找到了他的新住所。

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

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。