The phrase "die be cast" is a well-known idiom that expresses the idea that once a decision or action is taken, events will play out inevitably. In terms of spelling, "die" is pronounced /daɪ/, with the long "i" sound, whereas "be" is pronounced /bi/ with the short "e." "Cast" is pronounced /kæst/, with the final "t" being silent. The spelling of this phrase accurately reflects the pronunciation of each individual word, making it easy for English speakers to decipher and understand its meaning.