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| |||
| advance in skill; upgrade one's qualification (natnox) | |||
| bone up (With new developments in medicine happening all the time, doctors continually need to bone up. Val_Ships) | |||
| upgrade; reeducate | |||
| improve one's qualification; improve one's skill; improve skills | |||
| upskill (Sergei Aprelikov); upgrade one's skills (на курсах ART Vancouver) | |||
| qualify | |||
| re-educate | |||
| improve one's professional skill; improve one's qualification; raise one's qualification | |||
| go up | |||
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повышать квалификацию : 5 phrases in 3 subjects |
| General | 3 |
| Human resources | 1 |
| Security systems | 1 |