- Pine, bamboo and plum blossoms do not wither in winter. Therefore, they are known as the three friends of winter.
歲寒三友 (traditional, Pinyin suìhán sānyǒu, simplified 岁寒三友)
- 2007, Hanyu Da Cidian 3.0 (in Mandarin), Hong Kong: Commercial Press:
- "歲寒三友" (in Mandarin), Guoyu Cidian On-line Mandarin Dictionary (國語辭典). URL accessed on 2008-02-20.