cold fish (kōrudo fisshu)

Idiom Behavior

意味

a person who is unemotional or lacks warmth

感情が薄いか、温かさに欠ける人 (kanjō ga usui ka, atatakai ni kakeru hito)

例文

"He’s such a cold fish; he never shows his feelings."

"彼は冷たい魚だ; 自分の感情を決して見せない。" (kare wa **tsumetai sakana** da; jibun no kanjō o kesshite misenai)