机敏的头脑；聪明才智。
这男孩头脑机敏。
One need an agile mind to solve puzzles.
解谜必须有机灵的头脑。
The boy had an agile mind, and could come up with excuses as quickly as his mother asked for them.
那男孩有机敏的头脑，当他母亲要求理由时，他马上就能想到。
She was quick-witted and had an extraordinarily agile mind.
她很机智并且有一个特别敏锐的头脑。
She was quick-witted and had an extraordinarily agile mind.
她很机智并且有一个特别敏锐的头脑。
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