来自quick,有生命力的，敏捷的，-ness,名词后缀。

1. She was known for the quickness of her wit.

她以头脑灵活见称。

2. Mr. Smith is a most suitable candidate for such negotiator since his tact and quickness of mind are equal to the occasion.

这样的谈判史密斯先生是最合适的人选,他机智敏捷,随机应变.

3. Smith is a most suitable candidate for such negotiator since his tact and quickness of mind are equal to the occasion.

这样的谈判史密斯先生是最合适的人选，他机智敏捷，随机应变。

4. Her grace, quickness, her social felicities - seemed the overflow of a bounteous nature.

她端庄的仪态, 敏捷的反应, 伶俐的口才都似乎是多余的了.

5. His sharp, probing questions showed a quickness of mind.

他提的那些尖锐 、 盘根究底的问题都表明他思想敏捷.