2 sentences

1. 我无意中听到了你的名字。

   wǒ wú​yì​zhōng tīng dào le nǐ de míng​zi.

   I overheard your name.

   Source: OpenSubtitles

2. 我无意中听到了他给你的语音留言。

   wǒ wú​yì​zhōng tīng dào le tā gěi nǐ de yǔ​yīn liú​yán.

   I overheard the voicemail he left you.

   Source: OpenSubtitles