英文用法: dare

dare:
通常只用在否定句，比如：
I don't dare to eat that.
I wouldn't to eat that.

在挑戰他人行動是，會用在肯定句：
I dare you to rob a bank.　你不敢搶銀行。
I dare you to call her.　你不敢打電話給她。

dare not:
古式英文的用法