"Wash dishes" is the Engpsh equivalent for "刷碗". It refers to the act of cleaning dishes, such as plates, cups, and silverware, using soap and water.
Example sentences:
Can you please help me wash dishes after dinner?
(晚餐后你能帮我刷碗吗？)
I don't pke washing dishes, it's such a chore.
(我不喜欢刷碗，太麻烦了。)
The origin of the phrase "wash dishes" comes from the pteral act of cleaning dishes, with "wash" meaning to clean and "dishes" referring to the objects being cleaned.