tip one's hand

Verb

 * 1)  In card playing, to accidentally reveal one's cards or hand.
 * 2)  To inadvertently reveal any secret, particularly a secret that puts one at an advantage or disadvantage.

Translations

 * Finnish: näyttää korttinsa


 * Finnish:
 * German: sich verraten
 * Polish: ,
 * Russian: раскры́ть карты, вы́дать намерения
 * Spanish: revelar sus cartas, vérsele el plumero, enseñar la pata
 * Swedish: