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使いこなす, 使い熟す, つかいこなす
1. to handle (men), to master (a tool), to manage, to acquire a command of (a language)
驾驭(人),掌握(工具),管理,掌握(语言)
が
1. indicates the subject of a sentence
2. indicates possession
3. but, however, (and) yet, though, although, while
4. and
5. used after an introductory remark or explanation
6. regardless of ..., whether ... (or not), no matter ...
7. indicates a des...
tbd