鞭长莫及

Explanation: And: to. Although the intention is a long whip, do not play horse stomach. Analogy too far apart, the power fail. 　　Usage: Contraction type; as predicate; that distance without being able to help solve the problem 　　Source: Qing Zhao Lian "Xiao Ting continuously recorded Weibo Township Messire": "Yunnan, Guizhou, Sichuan, Guangdong and remote areas, this will be full of soldiers suddenly removed, if there is fear of change, there are beyond the reach of danger." 　　Examples: Get rid of a few provinces in the hinterland of foreign ~, though not put in the rest of the face on the partition, are each a master of the secret. (Qing Li Baojia "Bureaucrats" fifty-fourth back) Thesaurus:  be unable to help even for the sake of love, Love Mo help, Whip Length less, scourge Less ventro-, Whip length is less than Mafu, 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