| English | Russian |
| and next thing you know | и тут же (You download this app, right? And [the] next thing you know you've got all your money sucked out of your account! ART Vancouver) |
| before you know it | в мгновение ока (VLZ_58) |
| before you know it | глазом не успеешь моргнуть (Taras) |
| before you know it | раз-два (Andrew Goff) |
| before you know it | ещё до того, как ты это поймёшь (Alex_Odeychuk) |
| before you know it | не успеешь и глазом моргнуть (Mark_y) |
| before you know it | глядишь (Tanya Gesse) |
| before you know it | сам не заметишь, как уже (букв. "прежде, чем ты узнаешь это" lexicographer) |
| how do you know | почему вы решили (4uzhoj) |
| the next thing you know | не успеешь оглянуться, как (Always ask who will be paying. If you don't, then ... the next thing you know, the person expected to bear the cost will be you. • Allow peaceful demonstrations and the next thing you know, people will want a voice in running things. 4uzhoj) |
| the next thing you know | и глазом моргнуть не успеешь, как (Always ask who will be paying. If you don't, then ... the next thing you know, the person expected to bear the cost will be you. • Allow peaceful demonstrations and the next thing you know, people will want a voice in running things. 4uzhoj) |
| what do you know? | представьте (I opened the door and – what do you know? – it was the mailman with your package. Liv Bliss) |
| you know I'm good for it | за мной не заржавеет (SirReal) |
