"半路出家"是个多义词，它可以指半路出家（成语）,半路出家（图书作品）。
我刚半路出家来当教师，还没有什么教学经验。
I have just switched to the profession of a teacher and quite lack experience in teaching work.
生在做小买卖的家里的人，总是比半路出家的人懂得多些。
They that be born in a business always know more about it than any 'prentice.
实际上如果你先学数学然后半路出家做程序员的话你会发现编程简直就是小菜一碟。
In fact if you're a halfway decent programmer you'll find it's almost a snap.
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