◊ The phrase what are you talking about? can be used to show that you are confused, worried, upset, etc., about something that someone has just said.你(们)在说什么呢?(可用于表示对对方的话感到困惑、担心、苦恼等)
What are you talking about? I did what you told me to do.你在说什么呢?我是照你说的去做的。
2
informal — used to emphasize the size, amount, or extent of something谈到,说起(用于强调事物的大小、数量或程度)
Talk about rain! I've never seen it rain like this in my entire life!说到下雨,我这辈子都没见过下成这样的雨!
Talk about having a bad day. I had the worst day ever!说起倒霉的日子,那就是我最倒霉的一天!
Talk about short. She's only four feet tall!谈到个子矮,她身高只有四英尺!