(1)(指年龄)……岁的(having the age mentioned)(与表示一段时间的词或how连用)：How～is he? 他多大岁数啦? He is fifty-four years～.他54岁。at ten years～在10岁时;This house is one hundred years～.这座房子已有100年的历史。Citizens eighteen and～er may vote.18岁及18岁以上的公民有选举权。The winner is a ten-year-～boy.获奖者是一个10岁的男孩。
 (2)(年)老的(having lived a long time)：an～man/horse 老人/马;sb's～father 某人的老父亲;have an～head on young shoulders 少年老成;He is too～to live alone.他年纪太大了不能独居。〖同〗aged，elderly;〖反〗young;
 (3)(存在或使用)很久的，陈旧的(having existed or been used for a long time)： an～house/city/story/song/joke/car/custom/habit 老房子/旧城/老故事/旧歌曲/旧笑话/旧汽车/旧风俗/旧习惯;an～wives' tale 陈腐而又愚蠢的想法或观念;“Is this dress～?”“No，I still wear it.”“这件衣服旧了吗?”“不，我现在还穿着。”
 (4)古代(老)的，旧时的(belonging to times long ago)[作attrib]：an～culture/civilization 古文化/文明;O～English古英语;in the～days 从前;She comes from an～family.她出身于一个古老的家族。
 (5)早已认识的，熟悉的(known for a long time;familiar)[作attrib，无comp]：an～friend/acquaintance/rival/excuse/trick老朋友/熟人/对手/借口/把戏;Don't give me that～shit.别跟我来那老一套。
 (6)从(以)前的(不一定年代久远)(former，previous)[作attrib，无comp]：an～girlfriend 以前的女朋友;one's～school/house自己从前的学校/住过的房子;She got her～job back.她恢复了过去的工作。He's gone to see his～neighbourhood.他去看望老街坊(邻居)去了。
 (7)有经验的，老练的(skilled through long experience)(fml)：an～soldier/hand/teacher 老兵/手/教师;be～in diplomacy/cunning 外交老手/老奸巨滑;
 (8)(加强语气)(used for emphasis)[作attrib](infml)：have a good～time 过得极愉快;I can fight you any～time.我随时都能与你决斗。Any～time will do.随便什么时候都行。
 (9)(表示亲密)(used as a term of affection)[作attrib](infml)：O～Joe! 老乔! He's a funny～thing! 他真是个活宝!
 any old how 随便地，胡乱地(infml)：You can arrange them any～how.你随便怎么安排他们都行。
 for old times' sake 看在旧日的情分上：For～times' sake I agreed to go with him.看在老交情的份上，我同意和他一起去。
 the good/bad old days 过去的好/不幸的日子：The picture reminded me of the good～days at school.那张照片使我回忆起学生时代的美好时光。
 of old 从前的，过去，自古以来：This was a very popular custom in days of～.从前这是很普遍的风俗。
 (as)old as the hills很(古)老的： That joke's as～as the hills.那个笑话很古老。
 old beyond one's years 超常地成熟或聪明：That boy's～beyond his years.那个男孩老成的样子超过他的年龄。
 old boy/chap/man，etc 老朋友;老兄;老弟;(infml)：Could you lend me a cigarette，～man? 老兄，给我一支烟好吗?
 (be) old enough to be sb's father/mother 比某人年龄大很多：Yon can't marry him! He's～enough to be your father! 你可不能嫁给他!他那岁数都能当你父亲了!
 (be) old enough to know better 已经长大该懂事了：He is～enough to know better than go swimming right after eating.他已经长大了，该知道饭后不该立即去游泳。
 old hat 老式的，非独创的(infml，sl)： By now，putting satellites in orbit is～hat to space scientists.当今把卫星送入轨道对于空间科学家来说已不是什么新鲜事了。
 an old trout 脾气坏的人，令人讨厌的老人(尤指女人)(infml)： She's a real～trout.她真是个叫人讨厌的老婆子。
 one of the old school 老派(保守)人物：His father is one of the～school.他的父亲属于老派人物。
 pay/settle an old score 算旧账，报仇：She had many～scores to settle with her enemy.她和她的仇人有许多旧账要算。
 →old ′age晚年;′old boy(girl)校友;old ′boy(′girl)老人;the old-boy network老同学关系网;the ′old country 故国，祖国;old-′fashioned adj 老式的;old fogey老顽固;old ′folks' home养老院;Old Glory(AmE)美国国旗;the old ′guard 元老派，保守派;Old Harry(Old ′Nick，Old ′Scratch)撒旦魔王;old ′lady母亲;old ′lag多次入狱的人;old ′maid老处女;old ′man 父亲;丈夫;老板;old man's beard 铁线莲;old ′master大画家;old ′school 母校;old ′stager老手;old ′sweat 老兵;the Old ′Testament《旧约全书》;′old-time adj 从前的;古老的;old-′timer老手;old ′woman 妻子或母亲;old-′womanish adj 胆怯的;婆婆妈妈的;′old-world adj 古时的;旧式的;the Old World旧世界