quick·ness
noun/ˈkwɪknəs/
/ˈkwɪknəs/
[uncountable]- the quality of being fast, especially at thinking, etc.
机智；机敏；敏捷 - She was known for the quickness of her wit.
她以头脑灵活见称。 - He amazes me with his quickness and eagerness to learn.
他敏思好学，令我惊讶。
- She was known for the quickness of her wit.