He radiated self-confidence and optimism.是什么意思？

He radiated self-confidence and optimism.

他显得自信乐观。

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。

radiated

adj. （装饰物等）有辐射棱线的，辐射的；v. 发射出（光、热等）( radiate的过去式和过去分词 )，（使品质或情感）显出，流露，射出，向四周伸出；

例句
Her voice hadn't changed but I felt the anger that radiated from her.
尽管她声音没变，但我还是感受到了她所流露出的怒气。

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。

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。