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。
2.1
- 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。
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。
- N. Amer. in economy class accommodation in an aircraft or train〈北美〉乘（飞机、火车的）经济舱地。
短语
drive a coach and horses through
- 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。
词源
mid 16th cent. (in sense 3)： from French coche, from Hungarian kocsi （szekér） '(wagon) from Kocs', a town in Hungary.
1
- an instructor or trainer in sport（体育项目的）指导, 教练。
1.1
- a tutor who gives private or specialized teaching私人教师, 专业教师。
1.2
- （亦作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）。
with obj.
1- train or instruct (a team or player)培训, 指导（队伍, 队员）：
he moved on to coach the England team.
他跳槽去指导英格兰队了。
1.1
- 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.
私下里母亲培养她做明星。
1.2
- 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, 还指导英式橄榄球。
1.3
- give (someone) professional advice on how to attain their goals给…如何实现目标的专业指导。
1.4
- 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。
词源
early 18th cent. (as a verb)： figuratively from COACH1. Sense 2 dates from the late 19th cent.