后劲 Traditional form: 後勁 Pinyin (reading): hòujìn Definitions: energy to continue after the initial phase of an activity delayed effect Characters: 后 - after; behind, rear; descendants 劲 - strong, tough, unyielding; power, energy Traditional characters: 後 - after; behind, rear; descendants 勁 - strong, tough, unyielding; power, energy