I don't have the courage to challenge my boss's decision.

我可没勇气去质疑我老板做的决定。

youdao

If we have the courage to challenge everything, you are bound to succeed, like the grass, not afraid of any threat!

只要有勇气挑战一切，你一定会取得成功，就像小草一样，不怕任何威胁！罒。

youdao

A teacher in Wu Han University expressed her idea: "The students choosing a second major have the courage to challenge themselves. I appreciate it very much."

武汉大学的一位老师表达了她的看法：“那些选择双学位的同学有勇气挑战自我，是值得赞赏的。

youdao

If Eurozone countries have the courage to embrace this great challenge, not only will confidence be restored on security markets, but this crisis will become the occasion for a historical turning point in the development of Europe as political entity.

FORBES: Understanding The Eurozone Crisis

"For him to have accepted this challenge at his age speaks of his courage and commitment to the theatre, " said Daldry, who wished the highly respected actor and Harry Potter star "a return to full health and strength very soon".

BBC: Robert Hardy and Dame Helen Mirren