phrasal verb

US /ˈfreɪzl vɜːrb/
UK /ˈfreɪzl vɜːrb/
"phrasal verb" picture
1.

a verb combined with an adverb or a preposition, or sometimes both, to give a new meaning, for example 'look after', 'take off', 'run into'

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Many English learners find phrasal verbs challenging.
Can you explain the meaning of this phrasal verb?