According to divination, babies will take root when they are nine years old. Do you mean it is difficult to raise a child before he is nine years old?

It's not difficult to raise. The so-called "root" is the "beginning", which is the specific age when life begins to be "lucky" after the complicated operation of numerology. Universiade 10 once a year, there are good and bad. Before "rooting", it is fetal movement.

Simply put, "taking root" means "walking". How old is "rooted" is the starting age of how old.