他们九岁的儿子被放任自流，无人管束。

Their nine-year-old son is left to ___run ___wild.

我父母认为我当时太野了，需要去上学。

My parents thought I was ___run ___run ___wild and needed to go to school.

缺乏适当的监管，社区里的孩子们往往会肆意妄为。

Without proper supervision, children in the neighbourhood tended to ___run ___wild.