to overplay one's hand
01
to fail to achieve success by having too much confidence in one's ability or position
![to [overplay] {one's} hand definition and meaning](https://cdn.langeek.co/photo/42534/original/?type=jpeg "to [overplay] {one's} hand definition and meaning")
Disapproving
Idiom
例
He overplayed his hand in the negotiation by demanding too much, causing the deal to fall through.
The company overplayed its hand by increasing prices drastically, resulting in a significant loss of customers.
