鉴于霍布森非科班出身的经济学家这一事实，他的成就是很了不起的。

In view of the fact that Hobson was not a trained economist his achievements were remarkable.

虽然他不是科班出身的艺术史学家，但他对这一时期的知识却普遍为人尊重。

Although not formally trained as an art historian, he is widely respected for his knowledge of the period.

一些是古典艺术、艺术史或者图形设计专业科班出身的，而其他的则是半路出家自学成才的。

Some formally studied classical art, art history or graphic design, while others are hobbyists turned professional.

他并非摔跤科班出身，为了参加奥运会，他参加了全日制的培训。在去年的世锦赛中，他仅仅只排名第31。

He had no college wrestling experience, having decided to train for the Olympics full-time instead, and finished 31st at last year's World Championships.

在你知道如何编程之后数学更轻易学会。实际上假如你先学数学然后科班出身做程序员的话你会发现编程简直就是小菜一碟。

Math is a lot easier to pick up after you know how to program. In fact if you're a halfway decent programmer you'll find it's almost a snap.