a rule or principle that provides guidance to appropriate behavior
a post bearing a sign that gives directions or shows the way
例句
用作名词 (n.)
The life does not have the guidepost, all directions decided by you. 人生没有路标,一切方向由你决定。
The driver gets lost in the dense fog in the evening , sees that the roadside has a guidepost indistinctly,he stops down the vehicle dimly. 司机大雾天晚上迷了路,隐隐约约看见路边有一个路标,就把车停下来看。