colloquial (originally U.S.). Usually with adverb out. To maintain surveillance of (a place, etc.) in order to detect criminal activity or apprehend…
| 单词 | θ88808 |
| 释义 | the world > action or operation > safety > protection or defence > vigilance > keeping watch > keep watch on [verb (transitive)] > specifically a place (1) stake1942 colloquial (originally U.S.). Usually with adverb out. To maintain surveillance of (a place, etc.) in order to detect criminal activity or apprehend… |
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