The idiom is: take millet from fire.
pull chestnuts out of the fire
Basic explanation
Steal chestnuts cooked in the oven. Metaphor is being used, taking risks but getting nothing.
tidy
For the story, see/kloc-The Monkey and the Cat, the fable of French fable poet Lafontaine in the 7th century.
example sentence
Criminals get rich by smuggling drugs, which is purely ~, and finally they can only fall into the law.
synonym
Marry for someone else.
antonym
Get something for nothing, be self-reliant, enjoy success, and be self-reliant.