Lets say some one bumbs into me on the street and excuses for it. While I'm seeing the excuse as appropiate, a "No Problem" or "Not therefor" or that alike wouldn't be literarly correct, reacting like he became my new liftime archenemy is kinda.... overreacting.
So in what way I can (without appearing rude) express that I was expecting the excuse for it, but as I got it, No hard feelings... ?
What an interesting question! Although it's true that "no problem" is not literally correct, it is one of several very common English-language responses to this sort of mishap. Other standard responses:
"It's okay,"
"Don't worry about it,"
"No worries,"
"It's fine,"
Although somewhat more formal, it would also be correct to reply "Of course!" when somebody says "Excuse me."
As long as you accompany these with the standard physical gestures (such as smiling, nodding, or holding up one's palms) the other person will certainly understand that you are being polite.
I am sorry, I did misunderstand you, so here's a more appropriate answer.
If someone does something that annoys or upsets you and apologises, you could say that it was okay, even if it wasn't. That's the polite response, even if it is dishonest. (Certainly it's a very British thing to do and it's something I do without being aware of it)
If, however, you want to be honest rather than polite, then a lot will depend on the circumstances. You used the example of someone bumping into you and apologising. You could say:
"Watch where you're going" "Be careful" or "Be more careful"
Note that you can add "Please" and "Thank you" to make things less confrontational.
Original (incorrect) answer below... First of all, apologies if I've misinterpreted your question.
If I'm reading it correctly, you're asking what response you should give if someone accidentally bumps into you (or something similar).
Well, if that is the case then your initial response of "No problem" is correct. You could also say something like "That's fine" or "Don't worry about it".
"Not therefore" doesn't translate into English and isn't correct, I've never heard that said or seen it written down before.
I hope that helps!
