It's not my day

1.How can I get in touch with you?我怎么和你联络？
2.How do I get to the post office from here?请问从这里到邮局怎么走？
3.It's going too far.太离谱了。
4.It's not my day.今天运气真糟糕。
5.It's too good to be true.这个好的难以置信。