(1)假(期)，准假(period of absence;permission to be away，from work or duty)[U，a～]：give/grant a～准假;extend/cancel sb's～延长/取消某人的假期; go on～/take a～度假;overstay/postpone one's～超假/推迟休假;ask for a sick～请病假;take four weeks'～请四周的假;Our annual～is thirty days. 我们每年休假30天。She is on maternity～. 她在休产假。have only two～s in ten years 10年中只休假两次;

(2)许可(permission)[U][N+to-inf]：ask/beg/request～to do sth 请求许可做某事;You have my～to stay away from the office tomorrow. 我准许你明天不上班。obtain～from the authorities 获得当局的许可;ask sb for～to do sth 请求某人同意做某事;You have no right to take a gun without～. 你无权擅自带枪。by/with your～(fml) 承蒙许可;

(3)离去(开)(departure)[U]：He took his～at seven. 他在7点钟告辞离去。take～of one's friends (fml) 向朋友告别;take French～不辞而别;

take leave of one's senses 发疯：He behaved as though he had taken～of his senses. 他的举止好像发了疯一样。

→′leave-taking n 告别;

【辨异】leave与holiday和vacation的区别见HOLIDAY。