શેરી માંહેના સિંહ.

śērī māṁhēnā siṁha.

Literally: The lion of the street.
What it means: Someone who acts tough only when they are away from their own home.
The English proverb Shah set beside it: Argus at home, but a mole abroad.

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.