100 Phrasal Verbs in 100 Days Day 66: TO ACT UP 😤 /📱💔😭 Definition: 1) To misbehave (people/children) 2) To not work properly (machines/technology) How to use it: • something/someone + acts up Examples in different situations: • Parenting: The kids always act up when they're tired and need a nap. • Technology: My computer is acting up again and keeps freezing every few minutes. • Transportation: The car acts up in cold weather and won't start easily. • School: Some students act up in class when they're bored or frustrated. That's all! ✌️😉