| Subject | Russian | English |
| idiom. | одно дело ... и совсем другое дело ... | it's one thing... and/but it's totally/quite another (It's one thing when she walks in and I'm playing video games. It's another when she walks in and I'm playing a 12 year old game. Баян) |
| cliche. | одно дело, и совсем другое | it is one thing + infinitive, but it is quite another thing + infinitive (At a meeting to decide on the request, council member Billy Webb offered a rather interesting reason for why he took issue with such a ghost hunt, musing that "it is one thing to have a paranormal investigation in a public building, but it is quite another thing to have them in buildings that have previously been a private home."  coasttocoastam.com ART Vancouver) |
| cliche. | одно дело, и совсем другое | it's one thing + infinitive, but (It's one thing not to get vaccinated, we have this freedom here, but when you're sick with a case of measles and you walk into a postnatal ward, you have to be a total moron not to realize that you're putting these 30 babies and their mothers at risk. ART Vancouver) |
| gen. | он то за одно дело хватается, то за другое, и ничего не кончит | he starts first one thing and then another and finishes nothing |
