Utiliser "fish bone" dans une phrase

1. Sharp stones served them for knives and hatchets to cut with; fish bones, and the hard sinews of certain animals, served them with needles to sew with; and these seem to have been their principal instruments of trade

2. I agree that it’s a fish bone to swallow, but only because we haven’t trained or prepared

3. He started off with a single fishing boat bought with money that he and his close friends had scrimped and saved from working horrendous hours in the local factory, rendering fish bones into glue

4. Mammoth kitchen, machines grinding away, countertops clean except for fresh trays littered with fancy china, remnants of lobsters, glasses of milk, fish bones, etc