I've started a new job.

I read it.
I read that you are trying something new and are having a very difficult time. Things aren't going well, and they think negatively, that they might be bothering people. I don't know the details about you, but it tells me that you are very worried. I understand your feelings from the bottom of my heart.
I also quit my job as an office worker after age 40 and changed jobs to a temple. So every day has been very difficult for the past 10 years. There were many times when I didn't know what I was doing due to trial and error every day.
So I think it's certainly very difficult to start something new.
However, if you do it, you will definitely learn it, and your work will become more interesting.
Please don't give up and do your best. Everyone has their own pace. Please don't be in a hurry and work hard.
I sincerely pray that you will be able to do your best to study and live a fulfilling life from now on. And I wholeheartedly support you. We wholeheartedly agree

Thank you so much for taking on the challenge of a new environment. You are so brave and wonderful that you have jumped into an unexperienced field at the age of your forties and continue to study desperately every day.

Blaming yourself for “causing trouble” is proof that you are so sincere and that you care about your surroundings. However, if that sense of self-remorse is too strong, it will put a brake on your heart.

From now on, instead of thinking “being taught = annoyance,” why don't you change your perspective to “quickly becoming a force is the greatest thing I can do to return the favor I can do now.”

As a specific action, before asking questions, try telling them what you've organized, saying, “I've understood this far, can you tell me what's ahead?” Also, write down what you've been taught on the spot and make a “review notebook” so you don't ask the same thing twice. These are helpful considerations even for busy people around you.

Time spent worrying about “causing trouble” is changed to “review time to memorize as many things as possible.” There's no shame in getting help from others in the process of growing up. You can return that favor now with your first job in the future, so first acknowledge your current self as “doing your best.”

I applaud you from the bottom of my heart for taking on the challenge of a new industry.
Your impression that “it's hard but fun to learn something new” made me see how hard you are doing, and I want to cheer for you.
I'm sure all of your colleagues around you are the same.
Let's listen more and more about things we can't keep up with understanding.
All of your colleagues should have been able to organize and confirm their knowledge once again by conveying it to you.
You don't need to worry about it at all.
What is important is your attitude towards your current job.
If you have the feeling that you will work hard at this job and that you will be useful to society through this work, you will surely be able to pave the way.
And everyday life will become more and more enjoyable.

You're working hard at your new workplace, aren't you? The environment, work, relationships... everything is my first time, and the people around me are used to it, so my own shortcomings may stand out even more.

But... a positive attitude makes a better impression than being imperfect. The sight of you working hard while listening to your seniors is a reliable companion, and I wonder if they will generously follow up with you.

I think building relationships will create a comfortable environment.
Let's be encouraged by what we've learned and what we've been able to do, one by one.
I'm rooting for you.