heel in的用法和樣例：
例句
- The committee tried to persuade the chairman to give them more time for a decision, but he dug his heels in and refused to listen.
委員會委員們試圖說服主席讓他們多考慮一段時間再作決定，但是主席固執己見，不聽他們的。 - He will not agree with you. He still sticks his heels in.
他不會同意你的觀點，他仍然不改變主意。
辭彙搭配
- hairy in the heel 沒禮貌的
