idioms using “one”

Be one up on someone

To have an advantage over someone

“Minata-san is now one up on Kondo-san after yesterday’s tennis match.”

One of a kind

Unique

“Kikunaga-san designs one-of-a-kind 24k jewelry pieces.”

Got it in one

To guess correctly the first time

“Miura-san guessed who would be named supervisor and she got it in one.”

Put one over on someone

To fool someone, or gain a victory over someone

“We thought we would get summer bonuses but management really put one over on us.”

One-off

Happens only once

“If you want to attend the seminar, you’d better sign up soon. It’s a one-off event.”