熟读

熟读	shú dú	to read and reread sth until one is familiar with it
熟	shú	ripe; mature / thoroughly cooked; done / familiar; acquainted / experienced; skilled / (of sleep etc) deep; profound / also pr. [shou2]
读	dòu	comma / phrase marked by pause
读	dú	to read out; to read aloud / to read / to attend (school); to study (a subject in school) / to pronounce