亡羊補牢

to die; to perish; to lose; to flee; to be gone; to be absent; to be missing

Sheep or goat; a classifier for sheep or goats; surname Yang; also refers to auspiciousness.

to repair; to mend; to supplement; to make up for a deficiency; to fill a vacancy; to compensate; to remedy; a nutritional supplement.

A pen or enclosure for livestock; a prison or jail; firm or secure; stable; also a surname.