Re: Training in other dojo's as a beginner
Yes, I would try it. Most good aikido dojo are very welcoming. However you must make sure you are covered by insurance (yours or theirs). You will have to be open minded, in that different clubs have different ways of training and some instructors will say 'this is the right way' whilst others will say that is wrong. However it will be very much like going on a course - you train in their method, and when you go back to your own dojo you incorporate only that which is useful for you.
I doubt language will be a great problem - you'll be able to see what they are doing (in the past there was a concept that the instructor just shows and doesn't say anything anyway)