idiomatic

on the go: Idiom Meaning and Origin

on the face of it: Idiom Meaning and Origin

on tenterhooks: Idiom Meaning and Origin

on steroids: Idiom Meaning and Origin

one step forward, two steps back: Idiom Meaning and Origin

one step ahead: Idiom Meaning and Origin

one’s blood is up: Idiom Meaning and Origin

one’s bark is worse than one’s bite: Idiom Meaning and Origin

one at a time: Idiom Meaning and Origin

on course: Idiom Meaning and Origin

once or twice: Idiom Meaning and Origin

of the same stripe: Idiom Meaning and Origin