This is a polite way to ask is Amnon has had sexual relations with her. AT: "Has Amnon your brother slept with you?" (See: [[rc://en/ta/man/translate/figs-euphemism]])
This means to not tell anyone about something. AT: "do not tell anyone about this" (See: [[rc://en/ta/man/translate/figs-idiom]])
# Do not take this thing to heart
The phrase "take something to heart" means "to worry about it." AT: "Do not worry about what has happened" (See: [[rc://en/ta/man/translate/figs-idiom]])