我想和他谈谈，但我没有勇气。

I wanted to talk to him, but I didn't have the ___courage.

人们应该有勇气坚持自己的信念。

People should have the ___courage to stand up for their beliefs.

他很久以来就想做这件事，但一直没有勇气。

He had wanted to do it for a long time but never had the ___courage.