Play with somebody, stay with somebody.

与某人一起玩，和某人在一起。

Nobody really wants to play with somebody who is being mean.

没有人会想要跟自私的人一起玩。

You're learning how to play with somebody, rather than against her.

你正在学习如何和某人一起玩，而不是和她对抗。

When you play with somebody, you're driving up the dopamine system in the brain and that gives you focus, motivation, energy, and optimism.

当你和某人一起玩时，你正在激活大脑中的多巴胺系统，这给了你专注、动力和乐观。