That doesn't count.
那不算!
We weren't playing for real.
我们不是玩真的.
Money has been really tight lately...
最近手头有点紧...
I've had so many other expenses...
我有太多其它的费用要付...
It's not my fault.
那不是我的错.
He / She made me do it.
他(她)要我做的.
I didn't see the sign.
我没有看到标牌.
It's not my turn to...
这次不是轮到我......
I didn't know anything about it...
我对此事一无所知......