2.As far as I'm concerned据我所知
例：As far as I'm concerned, I am not responsible for that report.据我所知，我不负责这份报告。

3.It's not a big deal没什么大不了的
A: I forgot to upload the latest report, that’s really bad
B: It's okay, not a big deal
A: 我忘记上传最新的报告了，一定很糟糕！
B: 没事儿的，不是什么大不了的事情。

4.I am counting on you.我就指望你了！
5.What's the fuss?什么情况， 咋回事？
6.How dare you?你好大的胆子！

1.
- Are you free this weekend?
- No, I have plans
- 你这周末有空吗？
- 不行诶，我已经有安排了

2.
- Are you doing anything next Friday?
- No, nothing special I suppose
- 你下周五有什么安排吗
- 没，应该没啥事

3.
- How about grabbing lunch next Monday?
- 下周一咱们一起吃个午饭吧？

4.
- Thanks for asking, but I have other plans.
- Ok,let’s do it another time
- 谢谢邀请，但是我之前就安排了事情了。
- 好吧，那改天再约。

5.
- Thanks for asking, but I need to go somewhere else, how about a rain check?
- Sure, some other time
- 感谢邀请，但是我得去另外一个地方，要不改天再约？
- 行，那再说吧。

1. Just wait and see. I won't let you get away with that.咱们走着瞧。我不会让你得逞的。

2. Knock it off. 少来这一套。

3. Hey! Wise up!放聪明点好吗？

4. If you're looking for a fight, you don't have to look far.如果你想找人打架的话，老子奉陪！

5. Watch your mouth. Do you know who you're talking to?说话客气一点。你知道你在跟谁说话吗？

6. I'll get even with you sooner or later.我迟早会找你算账的！

6. I'll get even with you sooner or later.我迟早会找你算账的！