在款臺刷卡結賬時，排在后面的顧客多半會后退一步，主動回避。可有些人偏偏就要湊上來看你輸密碼，實在讓人無法忍受。這種行為在英語里叫做shoulder surfing。

In computer security, shoulder surfing refers to using direct observation techniques, such as looking over someone's shoulder, to get information. Shoulder surfing is particularly effective in crowded places because it is relatively easy to observe someone as they: fill out a form, enter their PIN at an POS terminal, etc.

在計算機安全領域，肩窺（shoulder surfing）指（站在別人身后）越過肩膀探看別人操作獲取信息的做法。這種方式在填表、在POS機上輸密碼等人多擁擠的場合更為適用。

Shoulder surfing might also have another meaning. You know when you are at a party, talking to someone, and they don’t seem to be very interested in your conversation? They seem to be constantly looking over your shoulder, trying to find someone more interesting or attractive to talk to. Well – some people call this shoulder surfing too!

“肩窺”還有另一層意思。說的是，在聚會上，你正跟一個人說著話，而對方似乎對你們的談話并沒有興趣，所以眼神越過你的肩膀，試圖搜尋別的更有趣或對其更有吸引力的聊天對象。人們把這種情況也叫做“肩窺（shoulder surfing）”。

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（中國日報網英語點津 Helen 編輯）

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