4 sentences

1. 她瘫倒在地，捂住嘴巴。

   tā tān dǎo zài dì, wǔ zhù zuǐ​ba.

   She collapsed to the ground and covered her mouth.

   Source: CCMatrix

2. 用手帕或衣服捂住嘴。

   yòng shǒu​pà huò yī​fu wǔ zhù zuǐ.

   Cover your mouth with a handkerchief or clothing.

   Source: AI Challenger 2017

3. 我用一只手捂住嘴。

   wǒ yòng yī zhī shǒu wǔ zhù zuǐ.

   I covered my mouth with one hand.

   Source: CCMatrix

4. 她咬住嘴唇，突然转过头，跑回屋里。

   tā yǎo zhù zuǐ​chún, tū​rán zhuǎn guò tóu, pǎo huí wū li.

   She bit her lip, then suddenly turned her head and ran back into the house.

   Source: CCMatrix