In on
adverb
Involved in what is going on: I’m in on the deal/ in on the act with James
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- In one blow
see: at one stroke
- In one ear and out the other
Quickly forgotten, as in Their advice to her just went in one ear and out the other. This expression, a proverb in John Heywood’s 1546 collection, conjures up a graphic image of sound traveling through one’s head. [ Late 1300s ]
- In one breath
see: in the same breath
- In one piece
adverb phrase Intact; unharmed: She came out of it in one piece Related Terms all in one piece see: all in one piece
- In one stroke
see: at one stroke