見み込こみ違ちがい

noun

miscalculation; misjudgment; wrong expectation

Refers to an error in estimating a future outcome, often leading to disappointment or a plan going awry. Commonly used in business or personal contexts when things don't turn out as expected.

• 売うり上あげの見み込こみ違ちがいで、在ざい庫こが余あまってしまった。

  Due to a miscalculation in sales projections, we ended up with excess inventory.

• 彼かれが来くると思おもったのは見み込こみ違ちがいだった。

  It was a misjudgment to think he would come.