主线zhǔxiànTop 15000Meanings1. main line (of communication)2. main thread (of a plotline or concept)3. central themeCharacters used主master线lineExamples1她tā说理shuōlǐ的de主线zhǔxiàn引人注目yǐnrénzhùmù，但dàn从cóng根本gēnběn上shàng是shì靠不住kàobuzhù的de。Her line of reasoning is attractive, but ultimately fallacious.