Significato della parola "who says A, must say B" in italiano

Cosa significa "who says A, must say B" in inglese? Scopri il significato, la pronuncia e l'uso specifico di questa parola con Lingoland

who says A, must say B

US /huː seɪz eɪ mʌst seɪ biː/
UK /huː seɪz eɪ mʌst seɪ biː/
"who says A, must say B" picture

Idioma

chi dice A deve dire B

if you start something or commit to a first step, you must accept the consequences or finish what you have started

Esempio:
You've already invested so much in this project; who says A, must say B and see it through to the end.
Hai già investito così tanto in questo progetto; chi dice A deve dire B e portarlo a termine.
I didn't want to go to the second meeting, but who says A, must say B.
Non volevo andare al secondo incontro, ma chi dice A deve dire B.