竭尽全力

1.strain every nerve; do all in one's full strength; do all in one's power [at one's command] to; do everything [all] one can; do one's level best; do one's utmost to; do sth. with all one's ability and with all one's might; exert all one's energy; exert one's full strength; go (to) all lengths [any length]; make every effort to; put every ounce of strength into the effort; spare no efforts with might and main; strain oneself to the limit; strive tooth and nail to; strive to the utmost of one's strength; strive with all one's might; work to the best of one's ability