一臂之力

Explanation: Arm arm. That part of the power or less power. Said his side to help. 　　Usage: Partial official; as object; used to help after the 　　Source: Yuan Li Shouqing "Wu member Chuixiao" Third off, if this person help me too, worry and even enmity is not reported. " 　　Examples: Wang Ming to help ~, with thieves breaking Cao. ★ Ming Luo Guanzhong "Three Kingdoms" back to the 44th Thesaurus:  weed out the wicked and let the law-abiding citizen live in peace, Chucanquhui, Happiness lies in rendering help to others. be amused at, heal the wounded and rescue the dying, put one's hand in one's pocket, To save others, Put your shoulder to the wheel., Xiaganyidan Antonym Group:  take sb.at a disadvantage, When a man is going down-hill, everyone will give him a push., be worldly wise and play safe, Mud boat cross the river, like a clay idol fording a river— hardly able to save oneself(let alone anyone else), Drum break Eight million people hammer, itself cannot say for sure, Self-care be too busy, Caoren fight a fire, go on [upon] the scamp