独木不成林

Explanation: Not a tree into a forest. Metaphor of personal power is limited, do not a big deal. 　　Usage: Complex sentence; as subject, clause; metaphor of personal power is limited, do not a major 　　Source: Southern Song Fan Ye "Han Cui Yin Chuan": "Yin extravagant high tree cover, forest tree does not, at any time of the Yi, Road where you from." Thesaurus:  cry from hunger and cold, Are weak, Tree does not Lin, Monofilament un- thread, Linger, Thin gate single-family, Sick simultaneously drive, be on one's last legs, Tree does not grow into forest, Invasion of sick pay, sick as well as poor