doctor's orders
noun [ plural ] mainly humorous uk/ˌdɒk.təz ˈɔː.dəz/ us/ˌdɑːk.tɚz ˈɔːr.dɚz/
（谨遵）医嘱
used to mean that you must do something because your doctor has told you to do it
I have to take a week off work - doctor's orders! 我得请一周假——这可是医生要求的！