You may say 'tanoshii.'
クリ (kuri) is the Japanese word for "Chestnut". Fun fact: クリボー (kuribou) is the Japanese word for the Goombas in Mario and means "Chestnut People"
楽しいこと大好き Tanoshii koto daisuki
tanoshii toki tanoshii jiki when reminiscing
争い /a ra soi/ is the Japanese term for 'dispute, strife, conflict'. Other words such as 闘争 /tou sou/ and 紛争 /fun sou/ with almost identical meanings.
"Have fun!" in English is Amusez-vous! in French.
"Forever fun" in English is Sempre divertente! in Italian.
Tanoshī
"Good fun in Italy!" in English is Buon divertimento in Italia! in Italian.
The word for fun is "tanoshii". (It is an adjective.)
很好玩. Literal: Very fun.
You may say 'tanoshii.'
Karate is a Japanese word.