吧 bā bar (loanword) (serving drinks, or providing Internet access etc)to puff (on a pipe etc)(onom.) bangabbr. for 贴吧 tiē bā
吧 ba (modal particle indicating suggestion or surmise)…right?…OK?…I presume. Example sentences 我们一起吃中饭吧！ wǒmen yīqǐ chī zhōngfàn ba! Let's eat lunch together 这是我的学校，很漂亮吧？ zhè shì wǒ de xuéxiào, hěn piàoliang ba? This is my school. It's really pretty, isn't it?