再次

In a sentence

• 我想再次感谢您的帮助。

  I would like to thank you once again for your help.

  再次 is used to mean 'once again' or 'again', often to express gratitude, apology, or similar repeated actions.

• 他错过了会议的机会，而现在他再也没有机会再次证明自己了。

  He missed the opportunity for the meeting, and now he will no longer have the chance to prove himself again.

  再次 is used here to mean 'again', referring to another opportunity to do something.

• 再次阅读这本小说，我发现了以前没注意到的细节。

  Reading the novel again, I discovered details I had missed before.

  再次 indicates the action of reading has been done before and is being done another time, emphasizing a repeated action.