tʼáadoo danitʼání íítiʼ

Navajo

tʼáadoo (“without”) + da- (plural prefix) + nitʼą (“it is ripened”) + -í (nominalizer) + -tiʼ (stem for breaking a brittle object)

don't count your chickens before they're hatched (literally, snap off ears of corn before they are ripe)
Éí atʼééd tʼáadoo danitʼání yiyíítiʼ ― That girl shucked the corn before it got ripe.