If an animal mauls someone, it attacks that person and injures them with its teeth or claws (= long sharp nails).

A small boy was mauled by the neighbour's dog. 一个小男孩被邻居的狗咬伤了。

to criticize something or someone severely

Both films were mauled by the critics. 两部电影都受到了评论家的抨击。