(figuratively) to play it straight, to play fair [+ avec (object) = with (someone)]

to play doctor (to pretend to be doctor and patient as a form of child play) / to play doctor (to engage in sexual role-play of a medical nature)

(figuratively) to play with fire

(figuratively) to play it straight, to play fair (to be upfront, honest; to act in a straightforward, candid manner, without concealing anything)

(informal, figuratively) to act tough

to argue semantics, to play on semantics, to quibble, to deliberately misinterpret someone's words

(figuratively) to play the … card

it's your turn, it's your go / it's up to you now

it's your turn, it's your go / it's up to you now

(figuratively) to play the field, to play several sides at once, to keep plates spinning (especially in a romantic context)