In Japanese, "expensive" is 高価な (Koukaina). It is a adjective pronounced "koh-oo-kah-ee-nah".
Listen to the pronunciation:
高価な is written in kanji and hiragana. Romanised as Koukaina, it sounds roughly like "koh-oo-kah-ee-nah" to an English ear.
このバッグはとても高価です。
Kono baggu wa totemo kouka desu.
This bag is very expensive.
Kouka na (高価な) is a na-adjective meaning expensive or high-priced. In daily conversation, takai (高い) is more commonly used. Kouka na has a slightly formal tone and often implies that something is rare or premium.
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Buy on Steam高価な is romanised as Koukaina. Say it roughly like "koh-oo-kah-ee-nah" in English. Each Japanese syllable has even weight, so keep the rhythm steady.
高価な is a na-adjective or noun-adjective. It is neutral in register and fits naturally in both casual and polite sentences. Add na before a noun, or use desu for a polite predicate.
高価な is written using kanji and hiragana. Kanji characters carry the core meaning; any hiragana or katakana that follow show grammatical endings.
This word is part of the vocabulary taught in the Japanese language learning game Noun Town, where words are introduced through play rather than memorisation.
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