1、frank意思是坦率的; 直率的;(在信件上)盖邮资已付印记，盖免付邮资印记;弗兰克; 免费邮寄权; 免费邮戳或签名; 免费邮寄的信件。

2、例句：He had worked alongside Frank and Mark and they had become friends.他与弗兰克和马克一起工作过，并且成了朋友。