noun
shallow thinking; superficial view; insufficient consideration
Refers to a lack of deep thought, hasty judgment, or a superficial understanding. Often used critically to describe someone's ideas or plans.
彼の提案は浅知恵に過ぎない。
His proposal is nothing more than shallow thinking.
浅知恵で行動すると、後で後悔することになる。
If you act on superficial ideas, you'll regret it later.
Compound of 浅 (asa, 'shallow') and 知恵 (chie, 'wisdom, intelligence'). The reading あさぢえ reflects rendaku voicing of ちえ to ぢえ. The irregular kana form あさじえ is a modern spelling variant.