手无缚鸡之力

Explanation: Even without the strength to bundle the chicken. Described the body is weak, the small effort. 　　Usage: The main predicate; as predicate, object, clause; containing derogatory 　　Source: Yuan Anonymous "make Kuai Tong" first off: "That Han physically very weak, only two juvenile Huaiyin Shangwang drill him in the crotch the past, he drilled over." Thesaurus:  puniness