 |
| English | Russian |
| that is another matter | это другое дело |
| that is quite another matter | это совсем другое дело (be (quite) a different matter (also be (quite) another matter) especially British English used to say that a situation or action is very different from the one you have just mentioned, and may not be as easy, pleasant etc) |
| that's another matter | это другое дело |
| that's another matter altogether | это совсем другое дело |