Matching Pairs Phrasal verbs and vocabOnline version Vocabulary (B2-C1) by Emilie Hines 1 a large increase in activity or in the level of something 2 significant change that often causes problems 3 to think that a belief or opinion is probably correct 4 uncertain with no final decision. 5 to stop holding something or someone: 6 You know or have access to something that can be useful to you. 7 to explain or describe something in a clear and detailed way lay out Incline to/towards up in the air upheaval let go of Ramp up Armed with