flashy ❍ 看你这样务名而不务实，那正务自然荒废，都是些～的说话，看不得了。(《儒林外史》37) This devotion to superficial things means that your real work must be neglected. No doubt your essay is nothing but flashy talk,not worth the reading
粗心浮气cū xīn fú qì
形容虽有勇气但又很粗心大意，成不了大器。be full of vigour but fail in carefulness