1)an atmosphere of cordiality and friendship,诚挚友好的气氛2)sincerity,诚挚3)Cordial Style of Creation,诚挚创作品格4)sincere,诚挚的,真实的,诚恳的，真诚的5)earnest,热心的,诚挚的 n.热心;真挚;定金;认真
用法和例句
Politeness is closely related to sincerity and they are to a certain degree contradictory to each other.