(equestrianism) to champ at the bit / (figuratively) to get the bit between one's teeth

Alternative form of la fortune sourit aux audacieux

desperate times call for desperate measures

(informal) not to be faint-hearted, not to be backward in coming forward, to have guts, to have plenty of nerves

Alternative spelling of aux grands maux les grands remèdes

(figuratively) to kill the goose that lays the golden eggs

(figuratively, informal) Synonym of ne pas avoir inventé le fil à couper le beurre

there's many a slip twixt cup and lip

Auxerre (a city and commune of the Yonne department, Bourgogne-Franche-Comté, France)