"I understand, I only speak [language]"
This phrase is used to explain that the speaker understands what is being said but can only communicate in a specific language. The blank needs to be filled in with the language the speaker can speak. For example:
* "Entiendo sólo hablo español" means "I understand, I only speak Spanish."
* "Entiendo sólo hablo inglés" means "I understand, I only speak English."
Let me know if you have any other Spanish phrases you need translated!