新宿区:you have your heads up your asses.是什么意思啊？

you have your heads up your asses.是什么意思啊？ YOU SHOULD HAVE PRPARED YOUR SPEECH 翻译 what have you done to correct your weaknesses? —Have you finished your work?—No, _____ How often have you lunch with your clients? how long have you been in love with your boss? how long have you been in love with your boss? How many candles do you have on your birthday? In what ____are you going to have your hair cut? what have you learned in your english course ？