1. 安排；准备；筹划
    Arrangements are plans and preparations which you make so that something will happen or be possible.

    e.g. The staff is working frantically on final arrangements for the summit...
           工作人员正紧张忙乱地为峰会做最后准备。
    e.g. She telephoned Ellen, but made no arrangements to see her.
           她给埃伦打了电话，但没有约她见面。

2. 商定；约定；协议
    An arrangement is an agreement that you make with someone to do something.

    e.g. The caves can be visited only by prior arrangement...
           这些洞穴只接受预约参观。
    e.g. Her class teacher made a special arrangement to discuss her progress at school once a month.
           她班上的老师作了特别安排，每月讨论一次她在学业上的进展情况。

3. 排列；布置；整理
    An arrangement of things, for example flowers or furniture, is a group of them displayed in a particular way.

    e.g. The house was always decorated with imaginative flower arrangements.
           这所房子总是摆放着富有创意的插花。
    e.g. ...an arrangement of dark-blue armchairs around a coffee table.
           咖啡桌周围摆放了一些深蓝色扶手椅

4. （乐曲的）改编
    If someone makes an arrangement of a piece of music, they change it so that it is suitable for particular voices or instruments, or for a particular performance.

    e.g. ...an arrangement of a well-known piece by Mozart...
           莫扎特一首名曲的改编曲
    e.g. Glen Bronka wrote his own orchestral arrangements.
           格伦·布朗卡把自己的曲子改编成了管弦乐曲。