overplay your hand

US /ˌoʊvərˈpleɪ jʊər hænd/
UK /ˌoʊvərˈpleɪ jʊər hænd/
"overplay your hand" picture
1.

terlalu yakin, berlebihan

to spoil a strong position by overdoing something or being too confident

:
He tried to demand too much and ended up overplaying his hand.
Dia cuba menuntut terlalu banyak dan akhirnya terlalu yakin.
The politician might overplay his hand by making such extreme promises.
Ahli politik itu mungkin terlalu yakin dengan membuat janji-janji ekstrem seperti itu.