To rest and conserve strength while waiting for the opponent to become weary; to take advantage of an enemy's exhaustion by remaining fresh and ready.
在马拉松比赛中，经验丰富的选手懂得逸以待劳，在前半程保持体力，等待冲刺时机
In a marathon, experienced runners know how to conserve their energy and wait for the right moment to sprint in the latter half of the race.
Next Idiom