6 sentences for 怎么回事 (zěn​me​huí​shì — how it happened)

1. 我知道这是怎么回事。

   wǒ zhī​dào zhèi shì zěn​me​huí​shì.

   I know what this is about.

   Source: OpenSubtitles

2. 我知道这是怎么回事了。

   wǒ zhī​dào zhèi shì zěn​me​huí​shì le.

   I know what's going on here.

   Source: OpenSubtitles

3. 你知道怎么回事吗？

   nǐ zhī​dào zěn​me​huí​shì ma?

   Do you know what's going on?

   Source: OpenSubtitles

4. 你应该知道是怎么回事吧？

   nǐ yīng​gāi zhī​dào shì zěn​me​huí​shì ba?

   You should know what's going on, right?

   Source: OpenSubtitles

5. 我想我知道这是怎么回事了。

   wǒ xiǎng wǒ zhī​dào zhèi shì zěn​me​huí​shì le.

   I think I know what's going on here.

   Source: OpenSubtitles

6. 我只是想知道到底是怎么回事。

   wǒ zhǐ​shì xiǎng zhī​dào dào​dǐ shì zěn​me​huí​shì.

   I just want to know what's going on.

   Source: OpenSubtitles