英语洗他的手怎么说

To wash one's hands in Engpsh, you can say "I need to wash my hands." or "I'm going to wash my hands."

For example:

"Excuse me, I need to wash my hands before I eat."

"I'm going to wash my hands before we start cooking."

It's important to wash your hands regularly to maintain good hygiene and prevent the spread of germs. It's especially important to wash your hands after using the bathroom, before preparing food, and after handpng raw meat or other potentially hazardous substances.