(1) unorganized意为“没有组织起来的”。

• We must make efforts to change the unorganized state in which the flood-stricken people are.
  我们必须努力来改变洪涝灾区人民的无组织状态。

 (2) disorganized意为“组织被破坏的，瓦解的，被打乱的”。

• The train service disorganized by the floods must be recovered to its normal order as soon as possible.
  必须尽快使被洪水破坏的铁路服务恢复正常。
• The underground work in some cities were disorganized owing to the betrayal of some betrayers.
  由于一些叛徒的出卖，一些城市的地下工作遭到了破坏。