Usne kiya kha esko english main kehte hain?

The English translation of "Usne kiya kha" depends on the context.

Here are some possible translations:

* "What did he eat?" - This is the most straightforward translation if the sentence is asking about what someone ate.

* "Where did he do it?" - This translation could be appropriate if "kiya" refers to an action and "kha" refers to a location.

* "What did he do?" - This translation is more general and could be used if the context is unclear.

Please provide more context to get a more accurate translation.