They have to wash their faces with clean water.

他们必须用干净的水洗脸。

youdao

They wash their faces with dirty water, get ill and go blind.

他们用脏水洗脸，染上疾病，进而失明。

youdao

Bread in milk to wash their faces.

雍蔑包蘸牛奶洗他们的脸。

youdao

They stopped at every stream to drink and wash the dust from their faces.

VOA: special.2009.08.27

When they awoke they'd use the bathroom to wash their faces and go back out.

CNN: Wall Street hotel adapts to help rescuers

If they are problems, then send the smokers outside to a spot far away from where the patients come in and out, or have them wash their hands and faces, which everyone ought be doing anyway, and only give them the same breaks from work that everyone else gets.

CNN: Barring smokers from hospital jobs unfair