She has a good [poor] command of the Japanese language.
彼女は日本語がうまい[へただ]
She has a great fear of snakes.
彼女はヘビをとても怖がっている
She has a habit of looking on the bright side of things.
彼女は物事の明るい面を見る傾向がある
She has a magic touch with everything.
彼女は見事な手ぎわですべてをこなす
She has a sharp mind.
彼女は鋭い頭脳を持つ
She has a startling facility with words.
彼女は言葉を実にみごとにあやつれる
She has a streak of innocence.
彼女は少々無邪気なところがある
She has a [no] talent for painting.
彼女は画才がある[ない]
She has a [this] thing about snakes.
彼女はヘビが大嫌い[大好き]だ
She has an air of calm and assurance.
彼女の態度には落ち着きと自信がある