Translation of unidirectional in German

I forgot to mention: you can forward this site which explains a little about language learning. I tried to call you on your mobile but it is not working. Please call me on this number: number undisclosed.
We have an option of uploading an excel file. However, we do give this option only to institutions and schools. The other ideas may be given in the future too. Thanks a lot for a great feedback!
He started to shout and to curse at my wife and me, but we did not give him additional money. I am convinced that he knew exactly that he did not take us to the original hotel but to a fake one.