Try her damnedest - Idioms by The Free Dictionary
try (one's) damnedest (redirected from try her damnedest)
try (one's) damnedest
To put forth the maximum amount of energy or effort toward some task or goal. Money is a little tight at the moment, but I'll try my damndest to be there for your wedding. I'm trying my damnedest to get a passing grade in this class.
do/try your ˈdamnedest (informal) try very hard; make a very great effort: He was doing his damnedest to make me feel uncomfortable so that I would leave.
References in periodicals archive
She can try her damnedest
to be innovative and include all different styles of music but you can't please everyone.