More phasal verbs

After twenty five years of marriage Mary and Peter have broken it off ( "break off" is not really a good choice for the ending of a marriage. You might talk about breaking up, or a divorce, or a split. You could talk of breaking off a friendship, or an engagement.)
There is a chocolate bar in the fridge,. You break off a piece , and give it to the child.
The police broke down the door because they suspected that the hostage was inside
The burglar broke into the house last night when the family went out to dinner
if you had come across any information about her, would you have shared it with the rest of the group?
John is always showing off his well-built body