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).
Officials used to have trouble with the foreign names of people passing through Ellis Island, and because they were so busy, many people's names got changed in the rush.