Expressions that deal with things ‘sharp’.
A close shave – a narrow miss or escape.?? That car almost hit us head-on.? That was really a close shave.
Razor-thin – very thin. He won the election by the razor-thin margin of 6 votes.
Sharp-tongued – harsh or abrasive in speech.? She lost her job because she was too sharp-tongued with her colleagues.
Razor-sharp – very sharp.? After he sharpened the kitchen meat knife, it was razor-sharp.
On pins and needles – nervous, usually hoping for good news. She was hoping to get an ‘A’ and was on pins and needles waiting for the results.