હાથ આપીએ તો ગળું પકડે.

hātha āpīē tō gaḷuṁ pakaḍē.

Literally: If we give a hand, they grab the neck.
What it means: If you give someone a small favor, they will try to take advantage of you.

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.