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"I understand" is a form of "understand", a transitive verb which is often translated as "entender". "Oh" is an interjection which is often translated as "oh". Learn more about the difference between "oh" and "I understand" below.
oh(
o
)An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
a. en serio
Oh? You're going to be the master of ceremonies?¿En serio? ¿Vas a ser el maestro de ceremonias?
b. no me digas
Oh, you have got to be kidding. Steve's going out with Melanie again?¡No me digas! Debe ser una broma. ¿Steve está saliendo de nuevo con Melanie?
understand(
uhn
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duhr
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stahnd
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
a. entender
He lived in Paris for three years and still doesn't understand a word of French.Vivió en París tres años y aún no entiende ni una palabra de francés.
b. comprender
My fifteen-year-old daughter can understand even the most complex math problems.Mi hija de quince años puede comprender aun los problemas matemáticos más complejos.
a. entender
The troop movement can only be understood as a provocation.El movimiento de tropas solo se puede entender como una provocación.
a. tener entendido
From what I understand, she got divorced.Según lo que tengo entendido, se divorció.
a. entender
I understand you, but I think you have to overcome the victim mentality.Te entiendo, pero creo que debes abandonar la mentalidad de víctima.
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
b. comprender
I was paying attention in class but I just didn't understand.Estaba prestando atención en clase pero simplemente no comprendí.