我们被他的固执激怒了。

We were infuriated by his ___stubbornness.

亨利的言辞充分展现了他那堪比骡子的皇室般的固执。

Henry's words do not fail to show his royal ___stubbornness, only comparable to that of a mule.

他们的固执成为了达成妥协的主要障碍。

Their ___stubbornness became the main obstacle to reaching a compromise.