on one's mettle

adverb

Roget 604: resolutely etc. adj.; in earnest, in good earnest; seriously, joking apart, earnestly, heart and soul; on one's mettle; manfully, like a man, with a high hand; with a strong hand etc. (exertion) 686.    at any rate, at any risk, at any hazard, at any price, at any cost, at any sacrifice; at all hazards, at all risks, at all events; a' bis ou a blanc [Fr.]; cost what it may; coute [Fr.]; a tort et a travers^†; once for all; neck or nothing; rain or shine.    ... show more

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