1. It was during his undergraduate years in Germany that he perfected his german.
2. 例子: I have always been try my best to perfect my English.
场景: 借机表达一下想学英语的内心。
3. 同义替换: perfect/improve
4. 运球 dribble
5. 咖啡拉花 latte art
6. 口才 the art of oratory (art=skill=technique)