管理不善

• ill management
• mismanagement
• maladministration
• illness management

例句

1. 这些问题是由于多年管理不善而造成的。
   These problems are the result of years of bad management.
2. 计划的失败是由于管理不善。
   The failure of the scheme was due to bad management.
3. 谁使我们陷入这样的困境？就是你，纯粹由于你管理不善。
   And who brought us to such a pass? You did, by sheer mismanagement.