Hello
This a way to get file srt subtitles for any video , what you have.
You will need a free program (capcut) and internet access.
This way for Windows.
Download free app - capcut. install it.
Launch it.
1. "Create project" - push very big button.
2. Push Import - big button on the left side.
3 Add video for subtitles.
4. Drag your uploaded file to the area below with title "drag material here and start to create"
5. Then, select the “Text” tab (third icon in the second row from the top). From there, click on “auto-captions,” choose your language( for my experience language have to be equal movie language, otherwise do not work),
and wait for CapCut to generate json file for you.
6. Find this file. It is in Capcut Folder with current data. The way - "AppDataLocalCapCutUser DataProjectscom.lveditor.draft810"
7. there will be a file with name "draft_content.json" in a folder 0810 (10 august today date). It have size about 5 - 12 MB.
8. There are many online services for transform json into srt. Search with - "transform json file into srt" i using biyaoyun.com/capcutsrt.
9. Upload json file.
10. Generate srt file.
11. Download it.
That is all.
Use and enjoy.

When you have srt file.
You can very easy get file of subtitles at any language what you need.
Open srt file with Google browser.
Translate into the required language in browser.
Ctrl + A
Ctrl + C
Create new srt file
Ctrl + V
Save and enjoy.