A：I wouldn't dare go bungee jumping.
我不敢玩蹦极。
B：Chicken!
胆小鬼!
注释：
dare(敢、胆敢)的用法如下：
a.作动词：之后接不定词dare to+动词原形敢…do not dare(to)+动词原形不敢……
例：He dares to do it.
(他敢做这事。)
He doesn't dare (to) do it.
(他不敢做这事。)
b.作助动词：与not并用，之后接动词原形dare not+动词原形
例：He dare not do it.
= He doesn't dare (to) do it.
(他不敢做这事。)