Try harder, LH. Strive. Seek. Google... to wit... aim, assay, attempt, bear down, bend over backward, break one's neck, compete, contend, do one's best, do one's utmost, drive, endeavor, essay, fight, go after, go all out, go for broke, go for the jugular, go the limit, hassle, jockey, knock oneself out, labor, leave no stone unturned, make every effort, moil, offer, push, scramble, seek, shoot for, strain, struggle, sweat, tackle, take on, toil, try hard, tug, work harder.