In Portuguese, "to feed a donkey sponge cake"—alimentar um burro a pão de ló—means treating someone better than they deserve. A donkey, after all, cannot appreciate how great sponge cake really is.
In Spanish, being someone's other half, or soul mate, is more delicious than in English. Spanish speakers say "you are my orange half": Tu eres mi media naranja.
Sanders is also the author of Lost in Translation, a book illustrating untranslatable words that we covered back in 2014. The Illustrated Book of Sayings is available for $15.