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枕    石    漱    流    旧时指隐居生活。

枕石漱流，成语，旧时指隐居生活。出自南朝宋·刘义庆《世说新语·排调》：“王曰：‘流可枕，石可漱乎？’孙曰：‘所以枕流，欲洗其耳；所以漱石，欲砺其齿。’”

Use a stone as a pillow and rinse one's mouth by means of stream - water -- living in seclusion

枕戈击楫    枕中鸿寳    枕善而居    枕曲藉糟    枕流漱石