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21. | He was proficient in all questions of genealogy. |
| 他非常精通所有家谱的问题。 |
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22. | She is proficient at / in figure skating. |
| 她精于花样滑冰。 |
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23. | She is proficient at this art. |
| 她精通这种技艺。 |
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24. | be proficient in professional and technical work |
| 精通业务和技术 |
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25. | Proficient drawing and testing for crane parts. |
| 精通图纸和起重机安装和测试程序。 |
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26. | Proficient in English reading and writing ability. |
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27. | To be proficient in the knowledge of |
| 精于此道 |
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28. | My friend is proficient in three languages. |
| 我的朋友精通三种语言。 |
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29. | highly skilled or proficient a master plumber. |
| 非常熟练的或精通的一名优秀的水管工人。 |
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30. | To make proficient with specialized instruction and practice. |
| 培训通过特殊指导及实践精通 |
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