桐天下
[tóng tiān xià]
Here '桐' stands for paulownia, a type of fast-growing tree with beautiful flowers. 'Tong Under The Sky' indicates someone might have profound associations with nature or aspirations connected with it. Also it can be understood as someone whose surname is 'Tong'. In Chinese literature and philosophy, nature often carries significant meaning symbolizing purity, tranquility, resilience and more abstract concepts.