One trick. Will be use the Chrome browser. Add plugin in Chrome
this
View translations easily as you browse the web. By the Google Translate team.
chrome.google.com
Go to Translate page of theme or module
Click on translate plugin, choose "translate this page"
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before translate page by google plugin
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after translate page by google plugin
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Just copy text from label block to input field of translate.
After copy all you want, close google page translator - google toolbar sticky up of page.
Push "Save"
It all
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I am using simply JavaScript code in development console to copy text from label block to translate input.
All translation builds few seconds. Really few seconds.