4 sentences

1. 他说他会替你打掩护。

   tā shuō tā huì tì nǐ dǎ yǎn​hù.

   He said he would cover for you.

   Source: OpenSubtitles

2. 我们需要你替我们打掩护。

   wǒ​men xū​yào nǐ tì wǒ​men dǎ yǎn​hù.

   We need you to cover for us.

   Source: OpenSubtitles

3. 你得帮我打掩护。

   nǐ děi bāng wǒ dǎ yǎn​hù.

   You have got to cover for me.

   Source: AI Challenger 2017

4. 如果你替他们打掩护，我会查清楚的。

   rú​guǒ nǐ tì tā​men dǎ yǎn​hù, wǒ huì chá qīng​chu de.

   If you're covering for them, I'll find out.

   Source: OpenSubtitles