0 If a person, especially a child, acts up, they behave badly: --
Her shoulder was acting up (= hurting because of injury).
My car always acts up in cold weather.
Sophie got bored and started acting up.
1 to behave badly: --
The little girl was acting up, so her mother took her out of the restaurant.
2 to operate badly: --
My car is acting up again - I don't know what's wrong with it.
3 to become active: --
Her allergies acted up when she went hiking in the woods.
НОВИ ДУМИ
European
May 10, 2021
ДУМАТА НА ДЕНЯ
Shimmer
act up