1. She shook her head almost
imperceptibly, then resumed her own deadpan stare at the opposite wall.
她令人无法察觉地摇了摇头，然后又继续面无表情地盯向对面的墙了。
2. They happen so quickly, so habitually and so
imperceptibly, that one cannot notice them if one does not make sufficient efforts to create obstacles for them.
它们发生得那麽快速、那麽习以为常、以及那麽难以觉察，如果人没有付出足够的努力来给它们制造障碍，人就无法注意到它们。
3. "I got another headache, " he said, and here he got up and gave an imitation of Chiang's "Shanghai-loafer walk, "
imperceptibly swaggering, nodding his head and saying: "Good!
“这一次更叫我头痛，”他一边说着，一边站起来，模仿着蒋介石那种上海滩流氓的架势，皮笑肉不笑地装模作样、连连点头说，“好！
