un·sys·tem·at·ic
adjective/ˌʌnˌsɪstəˈmætɪk/
/ˌʌnˌsɪstəˈmætɪk/
- not organized into a clear system
无系统的；紊乱的；杂乱无章的 - The site was excavated in an unsystematic way.
该遗址的发掘是非系统性的。 - Training for volunteers is patchy and unsystematic.
对志愿者的培训零散无序。
- The site was excavated in an unsystematic way.