অনুসন্ধান করুন
অভিধানের ভাষা নির্বাচন করুন
lights out
01
the time in an institution such as a boarding school or the army when lights are turned off and people are supposed to go to sleep
উদাহরণ
The dorm supervisor announced lights out for the students.
The cadets were in their bunks by lights out at 10 p.m.
