Anna was reading a book,completely lost to the outside world.请问句中lost的用法和全句的翻译.

问题描述:

Anna was reading a book,completely lost to the outside world.请问句中lost的用法和全句的翻译.

be lost to 不再属于,不注意,漠然视之
Anna was reading a book, completely lost to the outside world.
---安娜正在看书,她对周围的事都毫无感觉了.