"spy out" in Chinese (Simplified)
侦查（秘密调查）
Definition
秘密地收集有关某个地方、人或事物的信息，通常是为了获得优势或发现隐藏的东西。
Usage Notes (Chinese (Simplified))
"Spy out" 多用于正式或文学场合，经常指对地点或机会进行秘密调查。比单纯的 "spy" 更特定，常见于 "spy out the land" 等表达。在日常会话中不太常用。
Examples
The scouts were sent to spy out the land before the army arrived.
侦察兵被派去**侦查**那片土地，在军队到来之前。
They tried to spy out the secrets of the old castle.
他们试图**侦查**那座古堡的秘密。
He spied out the best place to hide the treasure.
他**侦查**了藏宝的最佳地点。
The company sent someone to spy out possible new markets before investing.
公司在投资前派人去**侦查**潜在的新市场。
We need to spy out what the competition is doing before we launch our product.
我们需要在发布产品前**侦查**竞争对手的动向。
She managed to spy out the meeting location without anyone noticing.
她成功**侦查**到了会议地点，没有被任何人发现。