play the game

play the game idiom
Behave according to accepted customs, obey the rules. For example, Not every foreign company can be counted on to play the game. The game here alludes to a sport with a set of rules. [Late 1800s] Also see play games.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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