他们总是窃窃私语地说这件事，以为我没注意到。
They are always whispering about it and thinking I don't notice.
全神贯注地读书，他没注意到老师走进教室。
Deep_in_the_book, _he didn't notice the teacher came into the classroom.
教授在专心致志地工作，以致没注意到我。
The professor was so immersed in her work that she didn't notice me.
教授在专心致志地工作，以致没注意到我。
The professor was so immersed in her work that she didn't notice me.
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