- 五湖四海 wǔhúsìhǎi everywhereall parts of the country
- 放之四海而皆准 fàngzhīsìhǎi'érjiēzhǔn universaluniversally applicable; valid everywhere
- 名扬四海 míngyángsìhǎi renownedto become known far and wide; famous throughout the world
- 四海为家 sìhǎiwéijiā nomadicto feel at home anywhere; to travel extensively or roam about without a fixed residence
- 四海之内皆兄弟 sìhǎizhīnèijiēxiōngdì brotherhoodall men are brothers; universal brotherhood
- 四海升平 sìhǎishēngpíng universal peacethe whole world is at peace
- 扬名四海 yángmíngsìhǎi world-famousknown throughout the country or world; world-famous (idiom)
- 目空四海 mùkōngsìhǎi arrogantregarding everyone else as insignificant or inferior; extremely conceited, supercilious, or condescending
- 四海飘零 sìhǎipiāolíng wanderingdrifting aimlessly all over the place