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How to say “I don’t know” in Spanish

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In Spanish, "I don't know" can be translated to "no sé" or "no lo sé." Both phrases are used to indicate a lack of knowledge or certainty.


"No sé" is a common phrase used to indicate that the speaker is uncertain or lacks knowledge about a specific subject. It is the most simple and direct way of expressing that you don't know something. "No sé la respuesta" meaning "I don't know the answer" or "No sé dónde está el baño" meaning "I don't know where the bathroom is".


"No lo sé" is another way of expressing that you don't know something. "Lo" is a pronoun that refers to a previously mentioned noun or a general idea. It is used to emphasize or to specify what is not known. "¿Cuál es el nombre del presidente? No lo sé" meaning "What is the name of the president? I don't know" or "¿Qué hora es? No lo sé" meaning "What time is it? I don't know".


It's important to note that "no sé" can also be used as a short form of "no lo sé" and it is more common in informal or spoken language.


Additionally, "no tengo idea" meaning "I have no idea" and "no tengo ni idea" meaning "I have no clue" are also common expressions used to indicate a lack of knowledge or certainty.


"No sé" and "no lo sé" are two common Spanish phrases that can be used to say "I don't know." "No lo sé" is used to emphasize or specify what is not known, whereas "no lo sé" is used to indicate a lack of knowledge or certainty. 


The expressions "no tengo idea" and "no tengo ni idea" are frequently used to express a lack of certainty or knowledge. It's important to use the right word for the situation and tone of the conversation.


Spanish frequency dictionary helps in improving vocabulary, identifying most common words, efficient language learning, and facilitating communication. Essential tool for Spanish learners.


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