Liu Tong Eucalyptus
"Tong": "very high", "tall like"; "Eucalyptus": an evergreen tree with tall and straight trunks and dense wood, used for construction The branches and leaves can be extracted and used as oil for medicinal purposes or spices. The bark can be used to make tanning materials. Also known as "Jade Tree", "Golden Tree" and "Youjiali".
Or Liu Tong侒, "侒" is a pseudonym, and "侒" in ancient Chinese is "安"
The nickname can be "An'an"