不修边幅

Explanation: Margins: the edge of cloth, compared people's clothing, instruments. Originally described as casual, sloppy. Pay no attention to post-described neat dress or appearance. 　　Usage: Verb-object type; as the predicate attribute; describe the people pay no attention to appearance, clothing 　　Source: Northern Qi tui "Family Instructions To order": "Stanford For lightly, slovenly." 　　Examples: Although he's dressed casually, ~, but it is meticulous in learning. 　　Riddle: In the grounds Thesaurus:  be on one's back, be afficted with all ills; be full of sores and ulcers; be heavily damaged; riddled with gaping wounds, have too many difficulties to cope with, coat or clothing worn-out dress, await urgently necessary condition, eat one's corn in the blade, behindhand in one's circumstance, like sth. the cat brought in, not a stitch on [to] one's back (=without a stitch of clothing), Yinzhimaoliang, Create a hundred thousand holes Antonym Group:  as of old, disapproval, not much, no object, not concern one, Had nothing to do, preoccupation, carpe diem; enjoy the present day,and trust the least possible to the future; have a good time while we have the chance; make merry while we can, make a long nose at sb., conformism, land bringing peace and order to, Anfenshouji, Law-abiding Shou Chang, Keep quiet, Discard worthless thing as a pair of ragged(shabby,worn-out) shoes, Abandoned if worthless thing as a pair of ragged(shabby,worn-out) shoes, absence, insecurity, have plenty of space, insouciance, follow in other people's footsteps, defy, apathy, easiness, leisure, Chuoyouyuyu, Chuo Ran superabound, enough and to spare, EXCELLENCE IN GEOTECHNICAL a margin, behave according to decorum, His predecessor, be spruce in one's dress; put on the ritz; in business suit, clothes and hat tidy, exactitude, Jianguitaju, observe the relevant code of conduct and the law and honestly perform one's official duties, Treasures fill the home, spaced out