不可教训bù kě jiào xùn

would receive no instruction
❍ 颛顼氏有不才子，～，不知话言，告之则顽，舍之则嚚， 傲很明德， 以乱天常， 天下之民谓之 ‘梼杌’。(《左传·文十八年》)Chuanxu had a descendant devoid of ability. He would receive no instruction; he would acknowledge no good words. When told,he obstinate; when left alone,he was stupid. He was an arrogant hater of intelligent virtue,seeking to confound the heavenly rules of society. All the people under heaven called him Block.

不可教训bù kě jiào xùn

指无法进行教育。教训： 教导，教诲。