马马虎虎

Explanation: Described as not serious work, not careful 　　Usage: Joint type; as predicate, attributive, adverbial; containing derogatory 　　Source: Mao Dun's "Midnight," second single to do it eight plants, more than four hundred thousand also fared so-so too. " 　　Examples: He do everything - the 　　Results: Riding a tiger tigers 　　Postscript: Riding a tiger tigers Thesaurus:  unthoughtful and rash, go off at half cock, careless; negligent, Thick floating, coarse Flighty and impatient air, railroading