老字号 an old and famous shop or enterprise; time-honoured brand
劳资纠纷 trouble between labor and management
老子天下第一 regard oneself as the No.1 authority in the world
老赖（欠钱不还） deadbeat (They are New York's Cheapest: an elite collection of wealthy fraudsters and deadbeats who owe more than $1 million each in state income taxes.)
老龄化社会 aging society
老年学校 school for the aged
劳保 labor insurance
（面部）拉皮手术 facelift (The 65-year-old US Democratic vice presidential candidate Joe Biden appeared to have had a facelift in the lead up to the debate on October 2, a cosmetic surgeon said. The surgeon made the claims after comparing the photos of Biden taken before and on the debate day. The facelift is mainly made by tightening the temple and eyelids, the US media reported. 有整容医生断言，65岁的民主党副总统候选人拜登在出席2日晚的辩论会前曾接受过拉面皮手术。美媒称，该医生通过对比辩论前后照片，指出拜登的"重灾区"位于眼部周围，手术拉紧了眉侧和眼睑。)
克隆 clone
雷达覆盖区 radar coverage
雷达跟踪 radar tracking
累犯 recidivist; incurable criminal
累计雨量 cumulative rainfall
勒紧裤带 tighten one's belt
累进税率 progressive tax rate
冷板凳 cold stool; an indifferent post or a cold reception; cool one's heels
冷门 ark horse; a profession, trade or branch of learning that receives little attention; an unexpected winner
冷遇 cold reception; indifferent treatment
冷战思维 Cold War mentality
冷笑话 bad joke (Some bad jokes are very popular in many online forums these days. 如今，一些冷笑话在许多网络论坛里非常流行。)
乐透 lotto (一种彩票游戏)
离岸价格 free on board(FOB)
离岸金融市场 offshore market
篱笆墙 barriers/ blockage to inter-regional trading
理财 arrange the finance;money management
劳动密集型 labor-intensive
劳动密集型产业 labor-intensive industry
劳动模范 model worker
劳动年龄人口 working-age population (The emergence of negative growth in the total working-age population, which some demographers predict will happen as early as 2013, is likely to contribute to slower economic growth and higher inflation, according to analysts. 据一些人口统计学家预测，从2013年起中国劳动年龄人口将可能开始出现负增长，分析家称，这将会导致经济增速放缓，加剧通货膨胀。)
劳动预备制度 vocational training system
劳动者素质 quality of the workforce
劳动争议 labor dispute
劳改农场 reforming farm; reform-through-labor farm
老化效应 aging effect
老黄牛 a person who serves the people whole-heartedly; an honest and industrious worker
老龄委 senior citizens' work committee
老年保险制度 endowment insurance
老三届 junior and senior high school graduates of 1966~1968; school leavers of 1966~1968
老少边穷地区 "former revolutionary base areas, areas inhabited by minority nationalities, remote and border areas and poverty-stricken areas "
老生常谈，陈词滥调 cut and dried, cliché
老鼠仓 rat trading. The term has recently come into the spotlight as some mainland brokers were believed to have made illegal profits by conducting so-called “rat trading” or a kind of scalping scheme in the stock market by cheating their clients.
劳务费 service charge; service fee
劳务市场 labor market
劳务输出 export of labor services
老爷车 vintage car (It is evident that many Canadian baby boomers are indulging in vintage cars they could not afford when they were young. 显然许多在二战后生育高峰期（1945-1952）出生的加拿大人都对老爷车情有独钟，他们年轻时是买不起的这样的车的。)
老爷式的态度 bureaucratic attitude
老一套 old practice; the same old stuff; the same old story; the beaten track
老油条 wily old bird; old slicker
老中青三结合 combination of the old, the middle-aged and the young in the leadership
劳资 labor and capital