ill-founded
UKUS
释义
adj.
Not based on good evidence or sound reasoning
缺乏确实根据的，理由不足的
词根拆分
词根派生ill-root
+
founded底部、基础、基底
=ill-founded
ill（不当地）+ founded（垫了底的）= 立在糟糕或站不住的底子上。与 unfounded 相近，但强调根基薄弱而非全无。
例句
- 1.
The plan was ill-founded and collapsed within months.
这个计划根基不牢，几个月内便垮掉了。