undivided
adj. 专心的;专一的;未分开的;完整的
例句
Mandela said, "We want a united, undivided South Africa."
曼德拉说:“我们要一个统一的、未被分裂的南非。”
《柯林斯英汉双解大词典》
You have my undivided attention.
我全部的注意力都在你身上。
I couldn't give the programme my undivided attention.
我不能一心一意地关注这个方案。
《牛津词典》