en_tn_lite_do_not_use/2sa/13/20.md

Has Amnon your brother been with you?

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)

keep quiet

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)

So Tamar remained alone

This means that she did not marry.