We play hard but always play fair.

我们比赛艰苦，但总是很公正。

Predators do not always play fair.

猎食者并不总是公平游戏。

We have to play fair in these games.

我们必须公平比赛。

They did not play fair in the matter.

在这件事情上，他们是不公正的。

We're saying play fair in our market.

我们是说在我们的市场公平。