to take the wind out of their sails?
Yes, usually resulting with the extinguished person go silent, lose enthusiasm, become saddened etc..
MADRY POLAK PO SZKODZIE
It isn`t idiomatic, it is just a proverb - in literal translation - a wise Pole after a damage
A shoemaker walks without shoes
Another nice proverb. :):)
Doesn`t the English have a similar one? the shoemaker's children are ill-shod
about humans:to put the paw on sth