听力资源简介：

tradition　
(n.) 传统，习俗

It is a tradition to give red envelopes for Chinese New Year.
在中国新年给红包是习俗。

mean　
(a.)【口语】脾气暴躁的，刻薄的

Jack is so mean. He never says anything nice about anyone.
杰克非常刻薄。他从不说别人的好话。