be sharp at的用法和樣例:
例句
- She is good at designing eye-catching packages.
她擅長設計花俏的包裝。
- Be sure to turn off all the lights when you leave.
他擅長寫作。
- Tom is a great hand at painting.
湯姆精於繪畫。
- After reading this book, you will be proficient in writing.
讀完這本書,你會精於寫作。
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