短语to keep your head above water可以用来形容某人虽然手头比较紧，但还可以勉强维持。
- Our company isn't doing very well but we're just about keeping our head above water.
- I'm struggling to pay the bills; I don't know if I can keep my head above water.
值得注意的是，短语to be in deep water的意思是陷入困境。
- We're going to be in deep water if someone finds out that we broke that window.