English version

do your level best (to do something)

From Longman Dictionary of Contemporary Englishdo your level best (to do something)do your level best (to do something)DETERMINEDto try as hard as possible to do something I’ll do my level best to help you. level
Examples from the Corpus
do your level best (to do something)We did our level best to look fascinated.Even so he did his level best with the new ball.
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