Uno y solamente.
There is only one way to say hello in Spanish: hola.
nomas uno
solo uno
I wouldn't what? You can't say I wouldn't in Spanish because (for example) "I wouldn't eat" would only be one word in Spanish: "Comeria"
Monty es el unico.
only some names have spanish translations, such as john which , in spanish is juan. to pronounce 'Terri' in a spanish way, one would roll one's 'R's and accent the 'I'
Yo soy tu unica novia
only = solamente
In Spanish, you don't say, "Which one?" Instead, you just say "Which?" To say that, you say "¿Cuál?" It's pronounced, 'kwal.'
Same way you say it in English only you use a spanish tongue.
solo hay un rey en esta casa
The number one in Spanish is uno.