Having a quick or lively eye; sharp-eyed, keen-sighted, perceptive.
Mid 16th century; earliest use found in Erasmus' Godly Book. From quick + eyed.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。