音标：[fræŋk]
a. 坦白的, 率直的, 老实的
vt. 免费邮寄
n. 免费邮寄特权
【经】 免费通行, 特许自由出入, 免费邮寄
英汉词典
frank的短语、例句：
frank
adj
(-er, -est) ~ (with sb) (about sth) showing thoughts and feelings openly; honest and direct in speech; plain and blunt 公开表达思想感情的; 言语真诚的; 坦率的; 坦白的; 直率的
a frank reply, discussion, exchange of views, etc 坦率的回答、 讨论、 交换意见等
To be (perfectly) frank with you, I think your son has little chance of passing the exam. 说实在的, 我认为你儿子这次考试及格的希望不大.
frank v [Tn]
put a mark or a stamp on (a letter, etc) to show that postage has been paid or does not need to be paid 在（信件等）上做记号、 加印记（以示邮资己付或免费邮寄）.
frank