proficient

中英例句：

1. Already proficient on piano and whistle, he has just added a year's singing training and can be heard around the Manchester pubs with a folk group. "But we're only here for beer."
   他在精通鋼琴和口笛之後，又用了一年時間練歌唱，在曼徹斯特的那些酒館的一群人中已有些名氣。“但我們只是來喝酒的。”
2. I'd say I am quite proficient at tailoring.
   我可以說我對裁縫很在行。
3. After reading this book, you will be proficient in writing.
   讀完這本書，你會精於寫作。
4. The state or quality of being proficient; competence.
   熟練，精通熟練的性質或狀態; 內行

英文解釋：

形容詞 proficient:

1. having or showing knowledge and skill and aptitude
   同義詞：adept, expert, good, practiced, skillful, skilful

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