[kāi dǎo]
help sb. to see what is right or sensible; help sb. to straighten out his wrong or muddled thinking; enlighten; give guidance to; educate and enlighten; explain and make sb. understand
enlighten sb. on sth.
就某事开导某人
He hasn't come round yet. Could you try and straighten him out?
他一时想不通, 你开导开导他好吗?