Jyutping
cing1 mui4 zuk1 maa5
Pinyin
qīng méi zhú mǎ
Definitions (CC-CEDICT)
lit. green plums and hobby-horse (idiom)
fig. innocent children's games
childhood sweethearts
a couple who grew up as childhood friends
Definitions (粵典–words.hk)
名詞
自細相識嘅異性朋友 friendship with the opposite sex from a very young age
阿森同阿美兩個由細識到大,係青梅竹馬嚟。
阿森同阿美两个由细识到大,系青梅竹马嚟。
aa3 sam1 tung4 aa3 mei5 loeng5 go3 jau4 sai3 sik1 dou3 daai6, hai6 cing1 mui4 zuk1 maa5 lai4. Sam and May have grown up with each other and are childhood friends.
Definitions (Wiktionary)
phrase, idiomatic
a girl and a boy playing innocently together; a man and a woman who had an innocent affection for each other in childhood; childhood sweethearts