coach
/kəutʃ; kotʃ/ n
1 bus (usu with a single deck) for carrying passengers over long distances 长途公共汽车（通常指单层的）
travel by overnight coach to Scotland 乘坐夜间长途汽车去苏格兰
[attrib 作定语]
a coach station 长途汽车站
a coach tour of Italy 乘长途汽车游览意大利.
2 = carriage 2.
3 large four-wheeled carriage pulled by horses and used (esp formerly) for carrying passengers 四轮大马车（尤指旧时载客的）
a `stage-coach 公共马车.
4 (idm 习语) drive a coach and horses through sth => drive1.
coach / kəutʃ; kotʃ/ n
1 person who trains sportsmen, esp for contests （运动员的）教练
a tennis, football, swimming, etc coach 网球、 足球、 游泳等的教练.
2 teacher who gives private lessons to prepare students for examinations （私人的）辅导教师. coach, v
(a) [Tn, Tn.pr]
~ sb (for/in sth) teach or train sb, esp for an examination or a sporting contest 辅导或训练某人（尤指为参加考试或比赛）
coach a swimmer for the Olympics 训练准备参加奥林匹克运动会的游泳运动员
coach sb in maths 辅导某人数学
She has talent but she will need coaching. 她有天分, 但需要指导.
(b) [I] work or act as a coach 辅导或训练的工作或活动
She'll be coaching all summer. 她整个夏天将要作辅导工作. =>Usage at teach 用法见teach.