Is there any difference between "I have a right to do sth" and "I have a right to sth"? Thax~

"You shouldn't have gone all these trouble."What does it mean by "gone all these trouble"?Thanks~

Is there any difference between "talk at something" and "talk about something"?

"For that tiny window of time your eyes were actually open." What does "tiny window of time" mean in this sentence? Thanks~

"what am I gonna stand for that?" Is this sentence right grammatically?If it is,what does it mean?

Could any one do me a favor? What does"rat dinner"mean? Thanks