| English | eng-000 |
| being expert | |
| Deutsch | deu-000 | Beschlagenheit |
| Deutsch | deu-000 | Vertrautheit |
| Deutsch | deu-000 | gute Kenntnis |
| English | eng-000 | acquaintance |
| English | eng-000 | being versed in |
| English | eng-000 | conversant |
| English | eng-000 | having knowledge |
| français | fra-000 | grande connaissance d’un sujet |
| 日本語 | jpn-000 | 精通 |