play the sport更偏向于英式还是美式是非正式用法还是正式用法

"Play the sport" can be used in both British English and American English, as it is a common phrase used to refer to participating in any kind of sport or game. However, it is worth noting that the specific sport being referred to may vary between the two dialects.

In terms of formality, "play the sport" is generally considered a more formal way of expressing participation in a sport. In informal contexts, people often use more casual phrases such as "do sports" or "play sports" instead.