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English definition of “in for a penny (in for a pound)”

in for a penny (in for a pound)

UK saying
something you say which means that since you have started something or are involved in it, you should complete the work although it has become more difficult or complicated than you had expectedStrong-willed
(Definition of in for a penny (in for a pound) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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