She is torn between accepting the promotion and staying in her current role close to her family.

torn 是动词 tear 的过去分词形式，原意是"撕裂"，这里比喻为"内心被拉扯、难以抉择"的状态。 between 是介词，表示"在...之间"，这里指两种选择之间的心理挣扎。 torn between 这个短语形象地描述了一个人在两种对立选择之间难以取舍的心理状态。