He bent down to pick up the pencil.
He crouched down behind the boxes so as not to be seen.
Could you keep your voice down, please?
Come down from there!
Can you button up my blouse?
He buttoned up his jacket.
Button up your shirt
She had begun to unbutton her blouse.
She spread butter on the bread
Blow me a kiss
Keeping your firewood dry is important to your winter heat.
Mary puts Jesus in a manger full of hay.