 |
| |||
| under lock and key (Interex); behind seven locks (Alexander Demidov); under seven seals (Anglophile); guarded day and night; a deep dark secret | |||
| за семью замками: 2 短语, 1 学科 |
| 一般 | 2 |
|
| |||
| under lock and key (Interex); behind seven locks (Alexander Demidov); under seven seals (Anglophile); guarded day and night; a deep dark secret | |||
| за семью замками: 2 短语, 1 学科 |
| 一般 | 2 |