Improvising
vt.& vi. 即兴创作（improvise的现在分词形式）
✅ 同义词
🗣️ 情景例句
Lacks vitality.
缺乏活力。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
I would rather stay at home alone.
我宁愿独自呆在家。