无所用心

Explanation: No place in his heart. That do not use their brains, do not care about anything. 　　Usage: Verb-object type; as predicate, object, attribute; containing derogatory 　　Source: "Analects, XVII," eat three square meals a day and do no work, difficult to carry on Kazuya. " 　　Examples: As for the people under them plenty of elm leaves and seaweed, they eat all day long, ~ "- that it is not labor center, the original just enough to eat them. ★ Lu Xun's" New Stories of the Water " 　　Riddle: Boring Thesaurus:  bungle, use inferior materials and turn out sub-standed products, scuffle, Seen as (treat) lightly, treat sth.lightly, play games, to follow routine, leisurely procedures without thinking about improvement, Talk to to perform one's duties perfunctorily, because Technology Chahuo Inaptitude hold Employment Zuozao, fumble, in large amounts, put sth together or make sth hastily or clumsily Antonym Group:  fastidiousness, follow a prescribed pattern in speech or action, scrupulous and methodical, Sanxinsanmu, Sanxinsanyu, (with) all sincerity, Control one's desire Qiugong, back and side, A norm-like, Deep ploughing Easy Nou, Unshaken, Take an oath to Inalienable, Vector Zhong consistent, subtlety be entranced, Subtlety unsurpassed, careful attention to details, etc, Exquisite, intensive and meticulous farming, swear to be loyal forever, Dare to die Not II, Cordiality Being to