n.家庭老师，教练，拉车的马...

It is easy for the coach, but harder for the coacher.教练过程是简单的，但是对教练师来讲是难的。...

coacher的音标：coacher的英式发音音标为：['kəʊtʃə]coacher的美式发音音标为：['koʊtʃə]...