HSK 7-9
埋伏
máifú动
to ambush; to lie in wait for; to lie low; ambush
警方在仓库附近设下埋伏。
Jǐngfāng zài cāngkù fùjìn shè xià máifú.
The police set up an ambush near the warehouse.
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Appears across levels (7-9) in the HSK 3.0 word list.