drop off

Từ điển Anh Việt - English Vietnamese Dictionary

drop+off

	[drop off]
	saying && slang
		deliver, drive and leave a parcel
			I'll drop off the parcel today. What's your address?
		go to sleep, doze, fall asleep
			I only dropped off for a second. I was awake for the news.
		reduce, diminish, slip, slow down
			Sales have dropped off recently. Maybe we should advertise.