unmethodical

adj.无方法的,无顺序的

不按照一定的方法或顺序进行的；没有条理的

形容词

1. She tried to organize her thoughts, but they remained unmethodical and scattered.
她尝试整理思绪，但它们依然杂乱无章且毫无条理。

2. His unmethodical approach to problem-solving often leads to ineffective results.
他对解决问题的不按方法步骤的方式常常导致无效的结果。