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偷偷地, 秘密地
in a secretive manner to avoid drawing attention
- He surreptitiously glanced at the answer sheet during the exam.
他在考试期间偷偷地瞥了一眼答题纸。
- The cat crept surreptitiously through the grass, stalking its prey.
猫偷偷地穿过草丛，潜行追踪它的猎物。
- She surreptitiously checked her phone under the table during the meeting.
她在会议期间偷偷地在桌子底下查看了她的手机。
- The spy entered the building surreptitiously, avoiding surveillance.
间谍偷偷地进入大楼，避开监视。
- The students whispered surreptitiously during the silent library hours.
学生们在图书馆安静的时间里偷偷地耳语。
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