勇于

例句：

1. 1. He is brave enough to face the danger.
   他足够勇敢去面对危险。
2. 2. The brave soldier risked his life to save others.
   这位勇敢的士兵冒着生命危险去救其他人。
3. 3. She was brave enough to stand up for what she believed in.
   她足够勇敢去坚持自己的信念。