独木不林

Explanation: Not a tree into a forest. Metaphor of personal power is limited, do not a big deal. 　　Source: Han Cui Yin "of purpose": "extravagant high tree shade, forest tree does not." Thesaurus:  cry from hunger and cold, Are weak, One tree does not make a forest, 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