half-baked
adjective informal disapproving uk/ˌhɑːfˈbeɪkt/ us/ˌhæfˈbeɪkt/
（想法或计划）考虑不周全的，草率的
A half-baked idea or plan has not been considered carefully enough.
The government has come up with a half-baked scheme for training teachers on the job. 政府制定了一些不成熟的教师在职培训计划。