Translation of armonizar

I have started learning only one month ago, that was during the summer holidays, I want to go to Canada for three weeks and then participate in a course. I hope that I will improve it more or less.
This afternoon I will fly to Chile. My two brothers and sisters live there. They are also very old and my brother has already died. My parents emigrated 30 years ago, but they wanted to stay.
What problems did you have when you had to share your flat with your mates? Probably you were not used to it. We say that when we live close we usually discover many issues that were not known.