mù tịt

Từ điển Việt Anh (Vietnamese English Dictionary)

	[mù tịt]
		stone-blind; as blind as a bat
		to be in the dark about something; to be in complete ignorance of something
			Vấn đề này tôi mù tịt
			That question is a sealed book to me
			Về tin học / xe hơi / luật pháp, tôi mù tịt
			I know nothing about computers/cars/the law; I am ignorant about computers/cars/the law

[Be] Completely unaware, [be] utterly ignorant