| Subject | English | Russian |
| idiom. | butt in on a conversation | встрять в разговор (Acruxia) |
| idiom. | butt in on a conversation | вмешаться в разговор (Например: It's rude to butt in on a conversation like that! Acruxia) |
| Makarov. | never butt in on anyone else's quarrel | никогда не влезай в чужую драку |