Literature Reference: 弦贞五条音，松直百尺心。—— 《遣兴》 孟郊 The strings resonate with five pure tones, the pine stands straight with a hundred-foot heart. Source from 'Qian Xing' by Meng Jiao.
直: Straight. Frank. In names, it often signifies uprightness, honesty, and straightforwardness, which is conducive to gaining support from noble figures.
松: Pine trees, symbolizing a life of carefree ease and tranquility, also embody the virtues of towering strength, honesty, and reliability when used in names.
Meaning: The straight pine with a hundred-foot heart symbolizes an unwavering and upright character, standing tall and unyielding like a pine tree.