something but not good
algo bueno means something good, like food, places, etc.
How great, something new.
I means, "I hope it's something good."
¿Sé español? Bueno, sé algo. ¿Sé bien español? Sé algo.
Bueno is Spanish for "good".
"tan bueno" would mean "so good."
just "not good" is no bueno. but if you mean "that is not good" it is no esta bueno
"Pasa algo" in Spanish translates to "something happens" in English.
"Río Bueno" translates to "Good River" in English.
"Muy bueno" means "Very good."
something with you