1. You won't get away with this.
你逃不掉惩罚的。
get away with sth. 不因某事受惩罚。
get away有时候还指“脱不开身”。例如：
I'm afraid I can't get away. 恐怕我脱不开身。
2. I'm tired of going to school day after day.
我厌倦每天上学。
之前说过了be fed up with. 其实这里的tired也可以换成sick。例如：
I'm sick of waiting around like this.
我讨厌透了像这样在一旁等着。
3. Who am I supposed to see?
我应该去见谁？
4. His idea is childish.
他的想法很幼稚。
5. I need small change.
我需要零钱。
零钱是small change，那么大钱就是“larger one”。
6. Don't try to brainwash me.
别想给我洗脑。
7. I don't seem to have any luck today.
我今天运气不好。
8. That reminds me.
那提醒了我。
remind sb. of sth. 提醒了某人某事。再如：
I feel it is absolutely necessary for me to remind him of the meeting today.
我觉得绝对有必要提醒他今天要开会。