headstrong

The headstrong teenager refused to wear a coat despite the freezing temperatures.

(Chinese) 尽管气温在冰点以下，那个固执的少年仍拒绝穿大衣。

Dealing with a headstrong child requires a lot of patience and clear boundaries.

(Chinese) 对付固执的孩子需要极大的耐心和明确的界限。