1. 酒吧
    A bar is a place where you can buy and drink alcoholic drinks.

    e.g. ...Devil's Herd, the city's most popular country-western bar.
           “魔鬼之群”——这个城市最火的西部乡村酒吧
    e.g. ...the Brass Nickel Bar.
           “黄铜镍币”酒吧

2. 酒吧间
    A bar is a room in a pub or hotel where alcoholic drinks are served.

    e.g. I'll see you in the bar later...
           一会儿酒吧见。
    e.g. On the ship there are video lounges, a bar and a small duty-free shop.
           船上有录像厅、一个酒吧间和一家小型免税商店。

3. 吧台；售酒柜台
    A bar is a counter on which alcoholic drinks are served.

    e.g. Michael was standing alone by the bar when Brian rejoined him...
           布赖恩回到迈克尔身边时，他正一个人站在吧台旁边。
    e.g. He leaned forward across the bar.
           他将身子探过吧台。

4. 金属条；金属棒
    A bar is a long, straight, stiff piece of metal.

    e.g. ...a brick building with bars across the ground floor windows.
           一楼窗户装有铁栅的砖砌建筑
    e.g. ...a crowd throwing stones and iron bars.
           投掷石块和铁条的人群

5. 在狱中；被囚禁
    If you say that someone is behind bars, you mean that they are in prison.

bar的解释

    e.g. Fisher was behind bars last night, charged with attempted murder...
           费希尔被控谋杀未遂，昨晚入狱。
    e.g. Nearly 5,000 people a year are put behind bars over motoring penalties.
           每年有近5,000人因违章驾车而入狱。

6. 条；棒；长块
    A bar of something is a piece of it which is roughly rectangular.

bar的反义词

    e.g. What is your favourite chocolate bar?
           你最喜欢哪种巧克力？
    e.g. ...a bar of soap.
           一块肥皂

7. （电热炉的）电热棒，电热片
    A bar of an electric fire is a piece of metal with wire wound round it that glows and provides heat when the fire is switched on.

    e.g. ...a two-bar electric fire with a frayed flex.
           电线已经磨损的双片电热炉

8. （用木条，铁条等）闩（门等）
    If you bar a door, you place something in front of it or a piece of wood or metal across it in order to prevent it from being opened.

    e.g. For added safety, bar the door to the kitchen.
           为了确保安全，把厨房的门闩上。

9. 阻拦；阻挡
      If you bar someone's way, you prevent them from going somewhere or entering a place, by blocking their path.

      e.g. Harry moved to bar his way...
             哈里走过去挡住了他的路。
      e.g. He stepped in front of her, barring her way.
             他走到她前面，挡住了她的去路。

10. 禁止；不准
      If someone is barred from a place or from doing something, they are officially forbidden to go there or to do it.

      e.g. Amnesty workers have been barred from Sri Lanka since 1982...
             从1982年起，大赦国际的工作人员就被禁止进入斯里兰卡。
      e.g. Many jobs were barred to them.
             很多工作将他们拒之门外。

11. 障碍；阻碍；妨碍
      If something is a bar to doing a particular thing, it prevents someone from doing it.

      e.g. One of the fundamental bars to communication is the lack of a universally spoken, common language...
             交流的一个基本障碍就是缺少一种大家都说的通用语。
      e.g. In industry after industry, government bodies have erected bars to competition.
             政府机构在一个又一个行业中设置了障碍以阻止竞争。

12. 不受任何规则约束；不限任何方式方法；不择手段
      If you say that there are no holds barred when people are fighting or competing for something, you mean that they are no longer following any rules in their efforts to win.

      e.g. It is a war with no holds barred and we must prepare to resist...
             这是一场没有规则的战争，我们必须作好抵抗的准备。
      e.g. When she'd get angry it was no holds barred.
             她发起火来什么都干得出。

13. 除了…以外
      You can use bar when you mean 'except'. For example, all the work bar the washing means all the work except the washing.

      e.g. Bar a plateau in 1989, there has been a rise in inflation ever since the mid-1980's...
             除1989年物价稳定之外，从20世纪80年代中期开始，通货膨胀就一直在上升。
      e.g. The aim of the service was to offer everything the independent investor wanted, bar advice.
             该项服务的目的就是向独立投资者提供除建议外他们想要的一切。

14. （英格兰有资格在任何法庭作辩护的）出庭律师职业；（美国的）律师职业，律师界
      The Bar is used to refer to the profession of a barrister in England, or of any kind of lawyer in the United States.

      e.g. Robert was planning to read for the Bar.
             罗伯特打算学法律。

15. （乐曲中的）小节
      In music, a bar is one of the several short parts of the same length into which a piece of music is divided.