This girl is up to mischief.
An example of mischief is the mild bad behavior by someone who is up-to-no-good.
- harm, damage, or injury, esp. that done by a person
- a cause or source of harm, damage, or annoyance; specif.,
- action or conduct that causes damage or trouble
- a person causing damage or annoyance
- a tendency or disposition to annoy or vex with playful tricks
- a troublesome or annoying act; prank; playful, vexing trick
- playful, harmless teasing
Origin of mischiefMiddle English meschief ; from Old French ; from meschever, to come to grief ; from mes- (see mis-) + chever, come to a head ; from chief, end, head (see chief)
- Behavior that causes annoyance or difficulty: tried to keep the kids from engaging in any mischief.
- a. Damage, destruction, or injury caused by a specific person or thing: the mischief done by a faulty gene.b. Archaic A specific injury or harm done: “Instead of doing them a service, you meant to do them a mischief?” (Charles Dickens).
- The inclination or tendency to play pranks or get into trouble: eyes that gleamed with mischief.
Origin of mischiefMiddle English mischef, from Old French meschief, misfortune, from meschever, to end badly : mes-, badly; see mis–1 + chever, to happen, come to an end (from Vulgar Latin *capare, to come to a head, from *capum, head, from Latin caput; see kaput- in Indo-European roots).