Dictionary / Vocabulary / 四字熟語
よじじゅくご
four-character compound word (esp. idiomatic)
Also written 4字熟語
日本語は四字熟語って結構あるね。
There are lots of four-character compound words in Japanese, huh?
四字熟語とは四文字の熟語のことです。
A "yo-ji-juku-go" in Japanese is an idiom made from a compound of four characters.