The interview was fairly difficult until they asked me about car maintenance, where I was on my home ground and could impress them with the extent of my knowledge. 面试开始时进行得相当当艰难，直到他们问我所熟悉的汽车维修时，我广博的知识才给他们有了好印象。
Has he enrolled in the car maintenance class this year? 他今年报名参加汽车维修班的学习了吗？
He's taking classes in car maintenance. 他正在上汽车维修课。
