બિલાડીને દૂધ ભળાવવું.

bilāḍīnē dūdha bhaḷāvavuṁ.

Literally: Entrusting milk to a cat.
What it means: It is foolish to trust someone with something they are likely to steal or destroy.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.