wrong number

bark up the wrong tree

To take the wrong approach to a situation; to follow a false lead; to attempt to solve a problem using mistaken assumptions about its true nature.

call someone's number

To focus on someone, asking them to prove themselves.

do a number on

To damage, especially to a significant extent; to treat harshly; to produce ill effects in.

do somebody wrong

To treat someone badly or unfairly.

fall into the wrong hands

To become the possession of, or be discovered by, an unfriendly third party.

get into the wrong hands

To fall into the wrong hands.

get out of bed on the wrong side

To start the day in a bad mood for no apparent reason.

get up on the wrong side of the bed

To feel irritable; to be in a bad mood; to have a bad day from the start, for no particular reason.