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be versed in (чем-либо Dragon_Way) | |||
be up to speed on |
ориентироваться в: 32 phrases in 13 subjects |
Artillery | 1 |
Aviation | 1 |
Business | 1 |
Forestry | 1 |
Formal | 1 |
General | 15 |
Idiomatic | 2 |
Linguistics | 1 |
Makarov | 3 |
Mathematics | 1 |
Medical | 3 |
Military | 1 |
Psychology | 1 |