alert vigilant sharp sharp-witted astute perceptive on the ball
He had wary, foxy eyes.
他的眼睛机警而又狡诈。
—— 柯林斯例句Jill will find out your secret — she never misses a trick!
吉尔会发现你的秘密——她很机警!
—— 给力词典精选Alertness, calmness, courage : he could see them all in the youngster´s face.
机警, 镇定, 胆量,都摆出在这年青人的脸上。
—— 给力词典精选His eyes were keen and alert , watching every change in her face.
他的眼光犀利而机警, 审视着她脸上的每一丝变化。
—— 给力词典精选He walked with confidence and grace, looked about him sharply.
他走起路来风度翩翩,充满自信,并不时机警地顾盼四周。
—— 辞典例句