习习(習)[xí] 动1.■ （温习; 练习） practise; exercise; review:复习review (one's lessons);自习study by oneself;学而时习之learn and constantly review what one has learned2.■ （对某事物常常接触而熟悉） get accustomed to; be used to; become familiar with:不习水性be not good at swimming;习水性a good swimmer;习闻often hear 名1.■ （习惯） habit; custom; usual practice:恶习bad [pernicious] habit;积习old habit; longstanding practice;陋习bad custom2.■ （姓氏） a surname:习凿齿Xi Zuochi