could do with

could do with (something)

One would benefit from something (which is usually stated after "with"). In this heat, I could do with a cold glass of water right now. You could do with some new shoes—those ones are looking awfully beat-up.See also: could

could do with someone or something

to want or need someone or something; to benefit from someone or something. I could do with a nice cool drink right now. I could do with some help on this project.See also: could