English in the News–Fly on the Wall 隱密觀察
A fly on the wall – 隱密觀察,牆上的蒼蠅 One who is able to observe something closely but invisibly and without interfering in the situation. Examples: 1) I would love to be a fly on the wall in John’s house when he finds out his wife bought a new car without telling him. 2) For six months, a...Continue reading
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