brittle and easily breakable; brittle without solidity ❍ 无实事求是之意，有哗众取宠之心。华而不实，～。(《毛泽东选集》758)They have no intention of seeking truth from facts,but only a desire to curry favour by claptrap. They are flashy without substance,brittle without solidity.
脆而不坚cuì ér bù jiān
比喻表面上强硬，实质上脆弱。brittle without solidity,brittle and easily breakable