3 sentences

1. 他拧了一下我的脸蛋。

   tā níng le yī​xià wǒ de liǎn​dàn.

   He pinched my cheek.

   Source: Dong Chinese Dictionary

2. 妈妈亲了孩子的小脸蛋。

   mā​ma qīn le hái​zi de xiǎo liǎn​dàn.

   The mother kissed the child's little cheek.

   Source: Dong Chinese Dictionary

3. 那个小女孩胖乎乎的红脸蛋真讨人喜欢。

   nà gè xiǎo nǚ​hái pàng​hū​hū de hóng liǎn​dàn zhēn tǎo​rén​xǐ​huan.

   The little girl's chubby red cheeks are really lovely.

   Source: Dong Chinese Dictionary