一弛一张

Explanation: Relaxation relax bowstring. Zhang taut bowstring. Metaphor of the policy of ancient times to temper justice with mercy; are many metaphors to live, work must be reasonable arrangements in place, loose and tight, work and rest. One with a relaxation. " 　　Source: Hanwang charge "On Hengru by" So instead of relaxation Zhang, King Wen is not. Relaxation and not sheets, King Wen not work. A relaxation one, that when King Wen. " Thesaurus:  wait at one's ease for the fatigued enemy, dwell under one's vine and fig tree, Great cry and little wool., to harp on the same string., new wine in old bottles, it produces silk and traps itself, get up steam; conserve strength and store up energy, fare worse and worse for all one's scheming, (of a nation) recuperate and multiply, One of a relaxation, To be the Labour Lost