“跋山涉水”，汉语成语，意思是指翻山越岭，趟水过河，形容旅途艰苦。可以翻译为“travel over mountains and rivers，make an arduous journey”等。

　　例句：

　　他们跋山涉水，步行二百余公里，来到了一个小村庄。

　　Across hills and rivers, they walked more than two hundred kilometers and arrived at a little hamlet.