dare
v. 膽敢；激（某人做某事）；（詩、文）冒險，挑戰(zhàn)
n. 挑戰(zhàn)；激將
例句：
Dont you dare tear up her ticket.
你竟敢撕壞她的票。
I didnt dare look at him.
我不敢看他。