Meaning of the word "who says A, must say B" in English
What does "who says A, must say B" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.
who says A, must say B
US /huː seɪz eɪ mʌst seɪ biː/
UK /huː seɪz eɪ mʌst seɪ biː/
Idiom
if you start something or commit to a first step, you must accept the consequences or finish what you have started
Example:
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You've already invested so much in this project; who says A, must say B and see it through to the end.
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I didn't want to go to the second meeting, but who says A, must say B.