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| sophisticated; aufait; familiar; intimate; master; perfect; proficient (at,in); versed (in); well-seen | |||
| perfect (perfectus) | |||
| versed | |||
| great at, be | |||
| proficient | |||
| proficiency | |||
| 精通的: 18 phrases in 9 subjects |
| Aviation | 1 |
| Baseball | 1 |
| Ceramics | 1 |
| China | 1 |
| General | 10 |
| Polygraphy | 1 |
| Technology | 1 |
| Telecommunications | 1 |
| United Nations | 1 |
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