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lock sb in
— phrasal verb with lock /lɒk/
/lɑːk/ verb Definition
B2 to prevent someone from leaving a room or building by locking the door: She stormed off to her bedroom and locked herself in. He was locked in his bedroom as a punishment.Locking and bolting › to prevent someone from ending or changing a financial arrangement: Most phone contracts lock you in for a fixed period. → See also lock-in
(Definition of lock sb in from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
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