what u been up too?如题

what u been up too?如题 What have you been up too lately? what u up what have you been up to?翻译如题. be up to有忙于的意思么.如what I ’ve been up to “what has been up to How have u been up to what are you up what have you been up to what's been up?和what's up?什么区别 What are you up too是什么意思? What have you been up to lately? what have you been up to?中文翻译 ..What you've been up to? What have you been up to? what have you guys been up to? what have you been up to lately? what have you been up to? what has been up with you?是什么意思