"I don't know what the hell..."
Explanation:
* Yo no sé: "I don't know"
* qué: "what"
* cojone: This is a slang term that's considered vulgar and offensive in many contexts. It literally translates to "testicle," but in this phrase, it expresses frustration, confusion, or anger.
Overall meaning:
The entire phrase expresses frustration and confusion. The speaker is essentially saying they have no idea what is going on or why something is happening.
Important Note:
While this phrase is common in certain Latin American cultures, it is important to remember that it is highly offensive in many situations. Using it inappropriately could lead to misunderstandings and even conflict.
Alternatives:
If you are unsure about the appropriate context to use this phrase, consider using a more polite alternative, such as:
* "No sé qué está pasando." ("I don't know what's happening.")
* "No entiendo." ("I don't understand.")
* "Estoy confundido/a." ("I am confused.")