be up to *** 表示“某人来决定” 。

be related to 与…有关系

be addicted to 沉溺于；对…上瘾

be opposed to 反对

be devoted to 致力于；忠诚于

be admitted to 被…录取；准进入

be attached to附属于；喜欢；依恋

be adjusted to 适应

be known to 为…所知。