expression, i-adjective
hit a bad spot; hit a dangerous spot
Used when a blow or impact lands on a vulnerable or critical area, often with serious consequences. Commonly used in contexts like hitting one's head in a fall.
転んで打ち所が悪かったら、大けがをしていたかもしれない。
If I had fallen and hit a bad spot, I might have been seriously injured.
彼は階
He fell down the stairs, but he hit a bad spot and died.