尽心、尽意、尽力、全力、全力以赴、下定决心

1. to one's heart's content, as much as one wants, as hard as one can, with all one's strength, to the best of one's ability, to the utmost, with determination, hard, heavily

adverb (fukushi)

决断、果断、决心、辞职

2. resolution, decisiveness, determination, resignation

noun (common) (futsuumeishi)