拷打

拷打	kǎo dǎ	to beat a prisoner (to obtain confessions) / to give sb the third degree / to torture
拷	kǎo	to beat / to flog / to examine under torture / (computing) to copy (abbr. for 拷贝)
打	dá	(loanword) dozen / Taiwan pr. [da3]
打	dǎ	a semantically light, transitive verb that is combined with various grammatical objects to form compound verbs and verb-object phrases with a diverse range of meanings (e.g. 打伞 "to hold an umbrella", 打电话 "to make a phone call", 打针 "to get an injection", 打手套 "to knit gloves", 打气 "to inflate") / to hit; to strike / to fight / (coll.) from; since (as in 打那以后 "since then")