Phrasal verbs are verb-preposition combinations that often have specialized meanings. They are commonly used in English and important to learn. A phrasal verb contains a verb and one or more prepositions. The combination can have a literal meaning related to the individual words or an idiomatic meaning. Examples provided are "put out" meaning extinguish a fire versus leaving, and "pick up" meaning learn versus physically pick up. Knowing the meanings of common phrasal verbs can help improve fluency in English.