4 sentences

1. 我只看到了她的背影。

   wǒ zhǐ kàn​dào le tā de bèi​yǐng.

   I only saw her from the back.

   Source: OpenSubtitles

2. 我凭背影就认出了他。

   wǒ píng bèi​yǐng jiù rèn​chū le tā.

   I recognized him even from behind.

   Source: OpenSubtitles

3. 我看你的背影就知道了。

   wǒ kàn nǐ de bèi​yǐng jiù zhī​dào le.

   I can tell by looking at your back.

   Source: OpenSubtitles

4. 她凝视着他渐行渐远的背影。

   tā níng​shì zhe tā jiàn xíng jiàn yuǎn de bèi​yǐng.

   She gazed at his receding figure as he walked away.

   Source: Dong Chinese Dictionary