我叫于开心 translates to My name is Yu Kaixin where 开心 Kaixin literally

Relation Nicknames

小清新o [xiăo qīng xīn o]
This nickname conveys a sense of purity and freshness Xiaoqingxin means small fresh often used to ...
予你欢颜赠你真心 [yŭ nĭ huān yán zèng nĭ zhēn xīn]
予你 yu ni means give you 欢颜 huayan represents happiness or smiles and 真心 zhenxin stands for genuine ...
恺一 [kăi yī]
As a nickname 恺一 doesnt have a literal translation ; it could be personalized Generally 恺 Kai ...
吴开心 [wú kāi xīn]
While directly translating a personal name can lose its significance due to cultural differences ...