Tā mǎnliǎn tōnghóng, bùzhī dào shuō shénme hǎo.
His face was completely red; he didn't know what to say.
Háizi mǎnliǎn xiàoróng de pǎo guòlái.
The child came running over with a face full of smiles.
Tā mǎnliǎn yíhuò de kàn zhe wǒ.
She looked at me with a face full of confusion.