The story
Calque from Chinese 你問我，我問誰／你问我，我问谁 (nǐ wèn wǒ, wǒ wèn shéi).
Etymology from Wiktionary, CC BY-SA 4.0.
you ask me, I ask who
Today it means: I don't know, how should I know Full definition →
Today it means: I don't know, how should I know Full definition →
Calque from Chinese 你問我，我問誰／你问我，我问谁 (nǐ wèn wǒ, wǒ wèn shéi).
Etymology from Wiktionary, CC BY-SA 4.0.