商务英语：今日热词——大错特错

告密者

(noun, INFORMAL) An informer, or untrustworthy person who reveals secrets deceitfully.

例句

EXAMPLE: When we were children, my little sister was such a snitch that I could never hide anything from our parents.

小时候，我的小妹妹特别喜欢告密，我有什么事都休想瞒过父母。

大错特错

(SLANG) To be completely mistaken about something or someone.

EXAMPLE: At first I thought the shy new sales representative would never succeed, but during her first year she made the most sales of anyone in our company, and I knew I was dead wrong about her.

起初，我以为那位腼腆的新销售代表根本不会成功，然而她在第一年里完成的销售额公司无人能比，我这才知道当初对她的看法大错特错了。