1. Why did you put the volumes of the encyclopedia in haphazard order?
    你为何把这套百科全书放得杂乱无章？

1. 偶然的;偶然;不规则：haphazard evaluation 随机评价 | haphazard 偶然的;偶然;不规则 | Haplochitina 单几丁虫属

2.

2. 偶然的 随便的：gusty#起大风的 | haphazard#偶然的;随便的 | hazy#有雾的;模糊的

3. 没计划的,杂乱的;任意的：gregarious群居的,爱交际的 | haphazard没计划的,杂乱的;任意的 | itinerant巡回的,巡游的

1. 无计划的;杂乱无章的;任意的
    If you describe something as haphazard, you are critical of it because it is not at all organized or is not arranged according to a plan.

    e.g. The investigation does seem haphazard...
           调查工作确实看起来缺乏计划。
    e.g. He had never seen such a haphazard approach to filmmaking as Roberto''s.
           他从没有见过像罗伯托那样毫无计划地拍摄电影的人。

1. marked by great carelessness

    e.g. a most haphazard system of record keeping
           slapdash work
           slipshod spelling
           sloppy workmanship

    Synonym: slapdashslipshodsloppy

2. dependent upon or characterized by chance

    e.g. a haphazard plan of action
           his judgment is rather hit-or-miss

    Synonym: hit-or-miss

1. without care
    in a slapdash manner

    e.g. the Prime Minister was wearing a grey suit and a white shirt with a soft collar, but his neck had become thinner and the collar stood away from it as if it had been bought haphazard

    Synonym: haphazardly