Try their damnedest - Idioms by The Free Dictionary
try (one's) damnedest (redirected from try their 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.
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
One can never patch things up after such barbarity, although the surgeons did try their damnedest
Of course, none of the riders actually believe that the results of last night's competition give an exact evaluation of their merits, but sure as hell they try their damnedest
Teams focus on defence and try their damnedest
not to give anything away.