(figuratively) to keep one's cards close to one's chest

video game console

to defuse the situation, to calm things down, to pour oil on troubled waters

(transitive) to gamble; to offer as a prize / (transitive, figuratively) to bring into play / (transitive, figuratively) to put at stake, to risk, to involve

(card games) to show one's hand, to show one's cards, to put one's cards on the table / (figuratively) to tip one's hand (to reveal one's intentions)

to come into play / to step in

to play big, to play for high stakes

to play the game, to play by the rules, to observe the rules of the game / to play along, to play ball

for it to be easy for someone to do something, for it to be all very well for someone to do something, to have it easy [+ de (object)]

funfair attraction that involves rocking figures with a rag ball that one throws / attack meant to morally or politically discredit an adversary