"背后有人"是个多义词,它可以指背后有人,背后有人(时代文艺出版社出版图书)。
她听到背后有人嘲笑她;
我沿着中山路向前走去,突然听到背后有人叫我。
I was walking up Zhong Shan Road when I suddenly heard someone calling me from behind.
当我发现背后有人蹑手蹑脚地紧跟着我时,我吓的要命。
I was scared to death when I found somebody creeping close on my heels.
When they got them rejected it's because there's a conspiracy against them by jealous editors and reviewers.
当论文被拒绝时,那是因为有人要背后搞阴谋,那些编辑和评论员嫉妒他。
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