overplay your hand
US /ˌoʊvərˈpleɪ jʊər hænd/
UK /ˌoʊvərˈpleɪ jʊər hænd/

成语
1.
玩砸了, 过分自信
to spoil a strong position by overdoing something or being too confident
示例:
•
He tried to demand too much and ended up overplaying his hand.
他试图要求太多,结果玩砸了。
•
The politician might overplay his hand by making such extreme promises.
这位政客可能会因为做出如此极端的承诺而玩砸了。
在 Lingoland 学习这个单词