We even balance equations on it.

我们甚至以对称形式保持等式。

Right. You're gonna teach me trig? You can't even balance your checkbook.

没错。你要教我三角函数吗？你连自己的支票簿都搞不明白。

This could include pain syndromes, delirium, dementia, and even balance and coordination disorders.

这可能包括疼痛综合症、谵妄、痴呆，甚至平衡和协调障碍。

Look at him. He can't even balance it.

看看他 端都端不稳。

If you're a matcher, you try to keep an even balance of give and take: quid pro quo -- I'll do something for you if you do something for me.

如果你是互利者，你会努力在给予和索取之间保持平衡：交换条件——如果你为我做某事，我会为你做某事。