(高三英语）——What have you been up to______?

(高三英语）——What have you been up to______? what are you up what have you been up to What have you been up to lately? what have you been up to today. what have you been up to what have you been up to?中文翻译 What have you been up to? What have you been up too lately? what have you been up to 还是 how have you been up to What have you been up to lately 中文 what have you been up to lately? 怎么翻译? What have you been up to though man?啥意思