"I want to marry some day." Depending on the context of the phrase, it could be interpreted in less-general terms. It could also mean, "I want to marry he, she, it, or you (formal) some day."
"I want to..."
Quiero means "I want"
I want
"I want to know."
"Si te quiero" in English translates to "I love you."
"Quiero presentarte" in English means "I want to introduce you."
Te quiero comer = I want you to eat.
quiero algun gatito = I want a kitty
"Yo quiero ser" means "I want to be" in English.
"Lo quiero" in Spanish translates to "I want it" in English.
"Dije te quiero" translates to "I said I love you" in English.
"In English, 'a quien quiero mentirle' translates to 'Who do I want to lie to?' or 'Who do I want to deceive?'."