knock (some) sense into sb 让某人懂道理；让某人明事理。
sense n. 感官；感觉；意识；鉴赏力；意义；理智；道理；见识。

【例句】
A couple of years in the army will knock some sense into him.
在部队里呆上几年会让他懂些道理。

She's a wild uncontrollable girl, but that new school should knock some sense into her.
她是个很不听话的女孩儿，那所新学校应该能管管她了。