obiecywać komuś gruszki na wierzbie *

* to promise someone pears on the willow

When you promise something that is not possible / to make empty promises.

"Prezydent obiecywał gruszki na wierzbie, byleby tylko wygrać wybory."

"The president promised the pears on the willow to win the elections."

Added January 2021 by anonymous

4 out of 5 Polish speakers have heard this

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