inure [?nj?, ?nj?] verb
[with obj.](壹般作 be inured)to accustom (someone) to something, especially something unpleasant 使習慣於，使適應於（尤指令人不快的事）
These children have been inured to violence.
這些孩子早已習慣於暴力。
-----------------------------------------
cause 引起，導致
這裏就是“使”的意思，cause to accept 使接受，become hardened to 變得無動於衷。