折りたたみナイフ現象の英語

a large pocket-knife with a blade that can be folded into its handle

a knife with a blade that folds into the handle

a knife sharpener

sharpen the knives

a switchblade knife

a sharp knife

a knife for cutting paper

a pocket knife

the blade of a knife

sharpen a knife

an inflexible knife blade

a sharp knife

a dull knife

blunt the knives

an edged knife

the knife is rather dull

a blunt knife

slit an envelope with a knife

a bloody knife

a knife for cutting wallpaper, called {casing knife}

a table-knife

a large knife with one or more folding blades

a knife with a curved or hooked blade

a fruit knife

a sharp knife

a table knife

the knife cut through the flesh

a knife that is used as a table knife

a small knife with a dull blade

a knife with a bone handle