Usage patterns
〈物〉を粉にするto grind something into powder
They grind wheat into flour to make bread.
粉をふるうto sift flour or powder
Sift the flour before making the cake.
粉をこねるto knead flour into dough
Add water and knead the flour into dough.
〈物〉に粉をまぶすto dust something with flour or powder
Dust the fish with flour before frying it.
Expressions
粉々にするpulverize; break into pieces; smash to bits · beat to a pulp; crush; destroy completely 粉々になるbreak into fragments; shatter; go to pieces 粉をかけるmake a pass at; hit on; flirt with