four / 4

= + : Mnemonic symbol: a four-leaved clover. Socrates (s) is working out in the bathroom of the space station (Ø4). He's lifting four (四) wooden boxes (囗), and wonders why they are so heavy. He doesn't know that inside one of the four boxes, the monkey king (儿) is hiding and secretly laughing at him - until the monkey king comes out and surprises Socrates with a four-leaved clover (四).

四 character breakdown

variant of 人[ren2] / "person" radical in Chinese characters (Kangxi radical 10), occurring in 兒, 兀, 兄 etc
child / son

= 丿 + : Mnemonic symbol: "son" (儿) sounds similar to "Sun" like in "Sun Wu Kong", so it's gonna be represented by the monkey king. Albert Einstein (Ø-) and Sun Wu Kong (儿) are fighting in the space station's kitchen (-Ø2). Their weapons: Albert Einstein has a shovel (乚), and Sun Wu Kong has a banana (丿).
non-syllabic diminutive suffix / retroflex final
enclosure

Mnemonic symbol: a plastic enclosure. Willy Walrus (w) is keeping frozen fish in an enclosure (囗) in the Eiffel Tower's kitchen (ei2).

Characters with 四 as component

river in Shandong
nasal mucus
team of 4 horses
to rest
spoon / ladle

Words with 四

all parts of the country
the 24 solar terms, calculated from the position of the sun on the ecliptic, that divide the year into 24 equal periods
fourth of May, cf 五四運動|五四运动, national renewal movement that started with 4th May 1919 protest against the Treaty of Versailles
May Fourth Movement / Chinese national renewal movement that started with 4th May 1919 protest against the Treaty of Versailles
May Fourth Movement / Chinese national renewal movement that started with 4th May 1919 protest against the Treaty of Versailles
the five emphases, four beauties and three loves (PRC policy introduced in 1981, including emphasis on manners, beauty of language and love of socialism)
the Twenty-Four Histories (25 or 26 in modern editions), collection of books on Chinese dynastic history from 3000 BC till 17th century / fig. a long and complicated story
the Twenty-four Filial Exemplars, classic Confucian text on filial piety from Yuan dynasty

Sentences with 四