胆子

例句：

1. 1. He had a lot of courage to speak up in public.
   他很有勇气在公众场合发言。
2. 2. The brave soldier risked his life to save the wounded comrade.
   勇敢的士兵冒着生命危险救出了受伤的战友。
3. 3. She was brave enough to face her fears and overcome them.
   她勇敢到敢于面对自己的恐惧并克服它们。