To search for someone's tracks or whereabouts; to try to find someone's trail or movements.
探险队进入了广袤的沙漠，他们需要根据微弱的线索觅迹寻踪，寻找古老的遗迹。
The expedition team entered the vast desert, and they had to search for traces based on faint clues to find the ancient ruins.
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