ㄧㄤˇyǎngㄐㄧㄥjīngㄒㄩˋㄖㄨㄟˋruì

  1. 培養精力待時三國演義·》:養精蓄銳劉表孫權一鼓而下。」兒女英雄傳·》:倒頭養精蓄銳三場。」

to preserve and nurture one's spirit (idiom)​; honing one's strength for the big push