"balls of steel" in Chinese (Simplified)
极大的勇气胆子特别大
Definition
这个非正式表达形容某人非常勇敢，尤其是在危险或压力很大的情况下。
Usage Notes (Chinese (Simplified))
非常口语、带粗俗色彩，常用于夸别人非常勇敢。也可说'nerves of steel'（更中性）。不用于正式场合。
Examples
You need balls of steel to climb that mountain.
爬那座山需要**极大的勇气**。
She showed balls of steel when she spoke up at the meeting.
她在会议上敢于发言，表现出了**极大的勇气**。
That firefighter has balls of steel.
那个消防员有**极大的勇气**。
Wow, you really have balls of steel for quitting your job like that!
哇，就那样辞职你真的有**极大的勇气**！
You have to have balls of steel to negotiate with them.
和他们谈判得有**极大的勇气**。
Only someone with balls of steel would go skydiving without hesitation.
只有有**极大勇气**的人才会毫不犹豫去跳伞。