1.词组解释：
tear someone away将某人拉走
tear oneself away忍痛舍去
2.句子分析：
I can’t tear her away.
符合“tear someone away将某人拉走”,而非“tear oneself away忍痛舍去”,否则应为 tear myself away
3.此句可能的出处：
She has been absorbed in a horror fiction. I can’t tear her away.
整句可译为：
她已经完全沉浸于那个恐怖小说之中,我无法将其拉开.