/bɑ:(r) ||; bɑr/noun[C] 1 a place where you can buy and drink (especially alcoholic) drinks and sometimes have sth to eat 酒吧；酒吧间: a wine/coffee/snack bar 酒吧；咖啡室；小吃店
2 a long, narrow, high surface where drinks are served （供应饮料的）吧台: She went to the bar and ordered a drink. 她走到吧台前，要了一杯饮料。We sat on stools at the bar. 我们坐在吧台前的高凳上。
3 a bar (of sth) a small block of solid material, longer than it is wide 一条；一块: a bar of soap/chocolate 一块肥皂／巧克力
4 a long, thin, straight piece of metal, often placed across a window or door, etc to stop sb from getting through it （窗、门等的）闩
5 a bar (to sth) a thing that prevents you from doing sth 障碍: Lack of education is not always a bar to success in business. 教育程度低不一定就当不了成功的生意人。
6 (US 美 measure) one of the short, equal units of time into which music is divided （乐曲的）小节: If you sing a few bars of the song I might recognize it. 你唱几个小节我也许就能听出这是什么歌。 ☞picture at music 见 music 插图
7 (in geography 地理学) a line of sand or mud that forms in the sea parallel to the beach （海里与海滩平行的）沙洲
8 (technical术语) a measurement of pressure in the atmosphere 巴（气压单位）
behind bars(
informal 非正式) in prison 坐牢；入狱:
The criminals are now safely behind bars. 现在罪犯们已被确实关进大牢。