1. 教练
    A coach is someone who trains a person or team of people in a particular sport.

coach的反义词

    e.g. Tony Woodcock has joined German amateur team SC Brueck as coach.
           托尼·伍德科克加盟德国业余队SC布吕克队担任教练。

2. 为…当教练;训练;指导
    When someone coaches a person or a team, they help them to become better at a particular sport.

    e.g. Beckenbauer coached the West Germans to success in the World Cup final in Italy...
           贝肯鲍尔执教西德队，带领他们在意大利世界杯决赛中获胜。
    e.g. I had coached the Alliance team for some time.
           我曾在联盟队担任过一段时间的教练。

3. (体育队的)主教练
    A coach is a person who is in charge of a sports team.

4. (棒球运动中，站在一垒或三垒附近，给其他选手信号的)跑垒指挥员
    In baseball, a coach is a member of a team who stands near the first or third base, and gives signals to other members of the team who are on bases and are trying to score.

5. (尤指辅导备考的)私人教师，辅导教师
    A coach is someone who gives people special teaching in a particular subject, especially in order to prepare them for an examination.

    e.g. What you need is a drama coach.
           你需要的是一位戏剧辅导老师。

6. 给…补习;(尤指)为…辅导备考
    If you coach someone, you give them special teaching in a particular subject, especially in order to prepare them for an examination.

coach

    e.g. He gently coached me in French.
           他为我补习法语，态度十分温和。

7. 长途汽车;长途大巴
    A coach is a large, comfortable bus that carries passengers on long journeys.

coach

    e.g. As we headed back to Calais, the coach was badly delayed by roadworks...
           返回加来时，由于道路施工，我们乘坐的长途大巴严重误点。
    e.g. I hate travelling by coach.
           我不喜欢坐长途汽车。

8. (火车的)旅客车厢
    A coach is one of the separate sections of a train that carries passengers.

coach的反义词

    e.g. The train was an elaborate affair of sixteen coaches.
           这列火车由16节车厢组成，设计复杂精巧。

9. 四轮大马车，公共马车(旧时用于载客，现在英国等国仍用于庆典场合)
      A coach is an enclosed vehicle with four wheels which is pulled by horses, and in which people used to travel. Coaches are still used for ceremonial events in some countries, such as Britain.