这个夏天对他依然美好！夏日的灼阳只能点燃他的倔强。

This summer still is nice for him, but the scorching sun can only light Yi's stubbornness.

youdao

事实上，正是由于他的倔强态度(single - mindedness专心)让他在RCS陷入窘境。

Indeed, it was his single-mindedness that got him into trouble at RCS.

youdao

他的下巴倔强地向前抬起；他不会被拒绝。

His jaw jutted stubbornly forward; he would not be denied.

《柯林斯英汉双解大词典》