孤掌难鸣

Explanation: One takes two to tango. Analogy forces alone, it is difficult to succeed. 　　Usage: The main predicate; as the predicate attribute; for forces thin 　　Source: Han Fei, "Han Fei fame": "to take charge of the patients in the Mo should be, twenty years before: the primary independent film, though silent disease." 　　Examples: To view Jane, the solution Po is a hero, determined to save him, history is not a single wire line, ~, only reported a letter by him. (Ming Shinai "Tales of" forty-ninth back) 　　Riddle: Child does not ring a hand shot Thesaurus:  eclipse, overshadow, one log cannot prop up a tottering building, Dwarf colour, Dwarf overshadow, the moon is not seen where the sun shines, Dwarfs