可能来自 stub,树桩，树墩，-orn,形容词后缀。引申词义顽固的，执拗的。

1. His opponents viewed him as stubborn, dogmatic, and inflexible.

他的反对者们认为他固执、教条、僵化。

2. Mick was stubborn and domineering with a very bad temper.

米克既固执又专横，脾气还很坏。

3. The more Sarah nagged her, the more stubborn Cissie became.

萨拉越对茜茜唠叨，茜茜越是固执。

4. This treatment removes the most stubborn stains.

这个方法能清除大多数顽固污渍。

5. Serves her right for being so stubborn.

她太固执了，活该。