Assai guadagna chi vano sperar perde=--He 25 gains a great deal who loses a vain hope.
Jurado ha el vano de lo negro no hacer blanco=--The bath has sworn not to wash the black man white.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "vano" in a variety of sentences. We hope that you will now be able to make sentences using this word.