5 sentences

1. 我们没有掩饰失望之情。

   wǒ​men méi​yǒu yǎn​shì shī​wàng zhī qíng.

   We didn't try to hide our disappointment.

   Source: OpenSubtitles

2. 你不用替他掩饰。

   nǐ bù yòng tì tā yǎn​shì.

   You don't need to cover for him.

   Source: OpenSubtitles

3. 他的个性非常张扬，从不掩饰自己的才华。

   tā de gè​xìng fēi​cháng zhāng​yáng, cóng bù yǎn​shì zì​jǐ de cái​huá.

   His personality is very flamboyant, and he never hides his talent.

   Source: Dong Chinese Dictionary

4. 尽管他极力掩饰，她还是察觉到了他的不安。

   jǐn​guǎn tā jí​lì yǎn​shì, tā hái​shi chá​jué dào le tā de bù'ān.

   Despite his best efforts to hide it, she still noticed his uneasiness.

   Source: Dong Chinese Dictionary

5. 尽管他努力掩饰，但还是流露出了悲伤的神情。

   jǐn​guǎn tā nǔ​lì yǎn​shì, dàn hái​shi liú​lù chū le bēi​shāng de shén​qíng.

   Despite his efforts to disguise it, he still showed a look of sadness.

   Source: Dong Chinese Dictionary