fall to pieces

verb

To break into a number of segments; to collapse. / (figuratively) To be emotionally devastated; to break down.

The vase fell to pieces when it hit the floor.

意味（1）

To break into a number of segments; to collapse.

The covers of the old book fell to pieces when I picked it up.

意味（2）

(figuratively) To be emotionally devastated; to break down.

When I found out my mother had passed away that night, I fell to pieces.