The abstract noun "confession" can be expressed with the verb "confess." Alternate translation: "confess to him" (See: [[rc://en/ta/man/jit/figs-abstractnouns]])
Hiding information represents trying to keep someone from knowing it. Alternate translation: "Do not try to prevent me from knowing what you have done" (See: [[rc://en/ta/man/jit/figs-metaphor]])