na. | 1. do all one can; do sth. to the best of one's ability; try one's best; do one's utmost; do sth. with all one's might; try one's hardest to do sth.; to the full; as far as possible; all one knows; put one's back into sth.; with all one's energy; at the top of one's voice; to the top of one's bent; take pains in doing sth.; tooth and nail; at full stretch; leave no stones unturned |