Policy changes always face the problem of pleasing too many mouths at once.
Tips
history
From Ouyang Xiu's 《归田录》 (Song): even a perfectly seasoned stew "is hard to reconcile with many mouths". The cooking metaphor naturalised into any situation of conflicting preferences.
memory
调 here is tiáo ("to adjust/season"), not diào ("to transfer"). Think of the chef "tuning" flavours to every diner — impossible.
