- 五湖四海 wǔhúsìhǎi everywhereall corners of the land; all over the country; everywhere in the world
- 四海一家 sìhǎiyījiā the world as one familyThe whole world is like one family; describes a state of universal brotherhood or a unified nation
- 放之四海而皆准 fàngzhīsìhǎi'érjiēzhǔn universally applicableApplicable anywhere and in any situation; valid everywhere.
- 名扬四海 míngyángsìhǎi to become famous far and wideto become known all over the world; to be famed throughout the land
- 四海为家 sìhǎiwéijiā to feel at home anywhereto be able to settle down and feel at ease wherever one goes
- 五洲四海 wǔzhōusìhǎi all over the worldthe entire world; referring collectively to the five continents and four seas that were traditionally thought to make up the earth
- 四海之内皆兄弟 sìhǎizhīnèijiēxiōngdì all men are brothersAll people in the world are as close as family; throughout the world, all people are like brothers.
- 四海升平 sìhǎishēngpíng peace in the world(idiom) the whole world is at peace; universal peace across the four seas
- 扬名四海 yángmíngsìhǎi world-famousKnown throughout the country or the world
- 目空四海 mùkōngsìhǎi to be superciliousto think very highly of oneself and look down on everyone else; arrogant and condescending
- 四海归心 sìhǎiguīxīn to win the hearts of the peopleDescribing a regime or leader who has gained the support and loyalty of people from all over the world.
- 四海五湖 sìhǎiwǔhú all over the worldeverywhere; all corners of the world; literally the four seas and the five lakes
- 眼空四海 yǎnkōngsìhǎi to be superciliousto have profound contempt for everyone and everything; to be incredibly arrogant and look down on the whole world
- 四海飘零 sìhǎipiāolíng to drift aimlesslydrifting from one place to another; wandering all over the world
- 纵横四海 zònghéngsìhǎi to roam the world freelyTo move across the world or the whole country without opposition; to be invincible everywhere
