The word "you" refers to all of the apostles. Languages that have different forms of "you" should use the plural form. (See: [[rc://en/ta/man/jit/figs-you]])
This means that Satan wanted to test the disciples to find something wrong. Alternate translation: "test you like someone passes grain through a sieve" (See: [[rc://en/ta/man/jit/figs-metaphor]])