intelligence and the ability to think quickly:intelligence and the ability to think quickly:
She learned to survive on her wits.
mainly US the quality of being intelligent, or able to think quickly or intelligently in difficult smainly US the quality of being intelligent, or able to think quickly or intelligently in difficult s
He\'s always had great maturity and smartness.
able to think quickly and clearly:able to think quickly and clearly:
For a man of 80, he has a remarkably agile mind.
intelligent or able to think quickly:intelligent or able to think quickly:
They recruit smart young people and train them on the job.
B1 mainly US intelligent, or able to think quickly or intelligently in difficult situations:B1 mainly US intelligent, or able to think quickly or intelligently in difficult situations:
Maddy\'s teacher says she\'s one of the smartest kids in the class.
mainly US the quality of being intelligent, or able to think quickly or intelligently in difficult smainly US the quality of being intelligent, or able to think quickly or intelligently in difficult s
聪明，机灵 He\'s always had great maturity and smartness. 他一直都非常成熟和聪明。
[ T ] to make your mind free from confusion so that you can think quickly and well:[ T ] to make your mind free from confusion so that you can think quickly and well:
clear your head I need to get some fresh air to clear my head (= to make me able to think well).
free from confusion; able to think quickly and well:free from confusion; able to think quickly and well:
clear thinker Marie is good at making decisions because she\'s a very clear thinker.
the situation in which two people or two groups use their intelligence and ability to think quicklythe situation in which two people or two groups use their intelligence and ability to think quickly
斗智，智慧的较量
having the ability to think quickly and effectively or to do something difficult extremely well:having the ability to think quickly and effectively or to do something difficult extremely well:
She was lively and dexterous intellectually.
