请教“name you are known by”填哪个？

中文名：王二小

填表时：

Title: Mr.

First name: Erxiao

Name you are known by： 填“王二小”、"Wang Erxiao"还是其它？

Family name: Wang 

谢谢大侠指教！

you are known by

is 别名, 比如你叫David, 但是喜欢别人叫你Dave.

你叫王二小,但是喜欢别人叫你Tony..........