rành

Từ điển Việt Anh (Vietnamese English Dictionary)

verb
to know well

	[rành]
		to know something thoroughly; to be familiar/conversant with something; to be knowledgeable about something; to be at home in something; to have a thorough knowledge/an intimate knowledge of something
			Anh có bảo đảm cô ấy rành tiếng Pháp hay không?
			Are you sure that she is at home in French?
			Cô ấy rành xe hơi lắm
			She's very knowledgeable about cars