How to say overconfident in Japanese

自信過剰【じしんかじょうjishinkajou】 Inflection

noun / adjectival noun / ~の noun:

  • overconfident; presumptuous - four character idiom

Example Sentences

自信過剰jishinkajouにならないninaranaiようyou注意chuuiしshiなくてはいけないnakutehaikenai。
You should be careful not to become overconfident.
自己jikoをwo過信kashinしてshiteはhaいけないikenai。
Don't be overconfident.
彼kareはha自信jishin過剰kajouだda。
He is overconfident.
トムTOMUはha自信jishin過剰kajouだda。
Tom is overconfident.

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