| Subject | English | German |
| inf. | I know all about it | Ich weiß Bescheid (Andrey Truhachev) |
| fig. | know what it's all about | wissen, wo es langgeht |
| busin. | know-it-all | Alleswisser |
| busin. | know-it-all | Besserwisser |
| gen. | know-it-all female | Klugschnackerin nordd. : Besserwisserin |
| gen. | know-it-all | Klugschnacker nordd. : Besserwisser |
| gen. | she's talking again as if she knows it all | sie redet schon wieder so oberschlau daher |