vs
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"Se" is a form of "se", a pronoun which is often translated as "themselves". "Lo sé" is a phrase which is often translated as "I know". Learn more about the difference between "se" and "lo sé" below.
se(
seh
)A pronoun is a word that stands in for a noun (e.g., she).
1. (reflexive)
2. (reciprocal)
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Se dice que ganó su fortuna jugando al póquer.People say he won his fortune playing poker.
Se habla español.Spanish is spoken here.
lo sé(
loh
seh
)A phrase is a group of words commonly used together (e.g., once upon a time).