Sé hablar bien español.
If you don't know how to say this in Spanish, this phrase is not for you.
tengo un buen idea
you say: "soy muy bueno, creo"
bonita
You can say "Eres bonita".
me gusta la idea
You can say "Ella es bonita".
Are you pretty? is "¿Eres linda?" (female) "¿Eres Lindo?"(male- not common usage) "¿Eres guapa/o?" are you handsome/good-looking "Eres bonita?" are you pretty
mujer bonita
There is no direct translation for "pretty please". Simply say "Por Favor" (please).
"Bueno" means good in Spanish.
You would say "guapa pero gorda".
You can say "Ella es muy bonita".
You say it pretty much the same way you say it in English: xenofobia.
usted no es bonito