To be extremely cautious and vigilant, implying careful observation and discreet movement, like a deer crouching and a crane taking flight.
夜幕降临，哨兵鹿伏鹤行，仔细地巡视着每一个角落。
As night fell, the sentry moved with extreme caution and vigilance, meticulously patrolling every corner.
Era:
Modern
Frequency:
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