What does it mean to be as old as a wolf?

1, the peak age means that a woman has married a woman. At this stage, the body will need the nourishment of men very much; In other words, women are thirty like wolves and forty like tigers, so the ancients described them as wolves like tigers.

2. Being like a wolf and a tiger originally meant to be as fierce as a wolf and a tiger. This metaphor is cruel. It's from Liao Wei Woods Easy.