鞭长不及马腹

Explanation: And: to. Although a long whip, but should not hit the horse stomach. Metaphor of incompetence and 　　Usage: Complex sentence; as predicate; the same beyond the reach of 　　Source: Pre Hengyu "Zuo Venerable fifteen years": "The ancients have Yanyue: 'Although the long whip, less than Mafu'." 　　Examples: He did not understand, after an interval of a province, that is, ~ the. ★ Qing Wu Jian "Strange two decades," the sixth four-back Thesaurus:  be unable to help even for the sake of love, beyond one's grasp., Love Mo help, Whip Length less, scourge Less ventro-, force Cannot (a measure word), fight in isolation, Thank you for nothing!, The spirit is willing but the flesh is weak., wisdom Endeavor cord, strut about pleased with oneself, look around glory Antonym Group:  with strength yet to spare, extend one's love or affection by association, if one loves sb, one will or should love everyone and everything associated with him, Love me, love my dog., Line with strength or energy to spare