coach¹ ◙ noun 1. (chiefly Brit.)a single-decker bus, especially one that is comfortably equipped and used for longer journeys • [主英] 单层公共汽车（尤指长途公共汽车） »[as modifier] a coach trip. 坐长途汽车的旅程。 2. a railway carriage • 铁路客车 [as modifier] [N. Amer.] denoting economy class seating in an aircraft or train • [北美] （飞机、火车上）经济舱的，二等舱的 » the cheapest coach-class fare. 最便宜的经济舱票价。 3. a horse-drawn carriage, especially a closed one • （尤指封闭的）马车 ◙ verb 1. [no obj., with adverbial of direction] travel by coach • 乘火车（或汽车、马车）旅行 »fly or coach to the shores of the Mediterranean. 乘飞机或火车去地中海海滨。 ◙ adverb 1. [N. Amer.] in economy class accommodation in an aircraft or train • [北美] 乘（飞机、火车的）经济舱地
【IDIOMS】
◘ drive a coach and horses through 1. [Brit.] cause (something) to be useless or ineffective • [英] 使无用；使无效 »he's driving a coach and horses through our environmental legislation. 他要使我们的环境立法无效。
【语源】
1. mid 16th cent. (in sense 3): from French coche, from Hungarian kocsi (szekér) ('wagon) from Kocs', a town in Hungarycoach² ◙ noun 1. an instructor or trainer in sport • （体育项目的）指导，教练 a tutor who gives private or specialized teaching • 私人教师，专业教师 (也作 life coach)a person who gives professional guidance on how to attain one's social, work-related, or personal goals • 生活导师（提供有关如何实现社会、工作及个人目标方面的专业指导的人） 2. [Austral.] a docile cow or bullock used as a decoy to attract wild cattle • [澳] 用来引诱野牛的驯顺的母牛（或小公牛） ◙ verb 1. [with obj.] train or instruct (a team or player) • 培训；指导（队伍，队员） »he moved on to coach the England team. 他又去指导英格兰队。 give (someone) extra or private teaching • 额外辅导（某人）；私下教授（某人） »she was coached for stardom by her mother. 私下里母亲教授她表演。 teach (a subject or sport) as a coach • 作为教练教授（学科，体育），指导 »he teaches history and coaches rugby. 他教历史，还指导橄榄球。 give (someone) professional advice on how to attain their goals • 给…如何实现目标的专业指导 prompt or urge (someone) with instructions • 训导 »she was being coached by the off-camera voice of her mother. 镜头外母亲的声音指导着她。
【语源】
1. early 18th cent. (as a verb): figuratively from coach. Sense 2 dates from the late 19th cent