攢勁 [攒劲]

Jyutping cyun4 ging3
Pinyin zǎn jìn

Definitions (Wiktionary)
  1. verb, Xiang
    to strive one's hardest; to spare no effort; to do one's utmost
    (syn.) 加劲, 下力, 巴結, 尽力, 儘力, 強力, 拼搏, 力圖, 賣力, 用力, 竭盡全力, 一力, 力求, 力, 力争, 巴结, 力图, 强力, 殫力, 不遗余力, 盡力, 卖力气, 拍拚, 全力以赴, 竭力, 搏, 賣力氣, 𠊟俯, 力爭, 極力, 殚力, 加勁, 卖力, 勉力, 出力, 打拼, 竭尽全力, 努力, 呵嘶呵嘶, 不遺餘力, 落力, 僶俛, 极力, 悉力