English version

do something on your own responsibility

From Longman Dictionary of Contemporary Englishdo something on your own responsibilitydo something on your own responsibilityformalRESPONSIBLE to do something without being told to do it or officially allowed to do it responsibility
Examples from the Corpus
do something on your own responsibilityI discussed the matter with John Montgomerie and on my own responsibility decided to telephone Harold Wilson to seek his advice.
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