car 多指乘坐人的小汽车或轿车。
bus 一般指公共汽车或大型客车。
truck 与lorry同义，都指卡车或货车，前者为美国用词，后者用于英国。
coach 原义指四轮马车，现指轿式汽车，长途公共汽车，还可指火车设有卧铺的车厢。
automobile 是汽车的总称。
jeep 吉普车，指一种小型轻便、适合在崎岖路面或野外使用的车子。
car riage指马车，两匹或两匹以上马拉的四轮马。
waggon 指四轮运货马车或牛车，也指铁路的无盖货车。
参考例句
1. He is now being coached by a famous pianist. 他现在正由一位著名的钢琴家进行辅导。
2. I think he is the best coach around. 我认为是世界上最好的教练之一。
3. He is a great coach. 他是一名伟大的教练。
英英解释
n.
1. (sports) someone in charge of training an athlete or a team
2. a person who gives private instruction (as in singing or acting)
3. a railcar where passengers ride
4. a carriage pulled by four horses with one driver
5. a vehicle carrying many passengers; used for public transport v.
1. teach and supervise (someone); act as a trainer or coach (to), as in sports
2. drive a coach
