fey

1. ADJ If you describe someone as fey, you mean that they behave in a shy, childish, or unpredictable way, and you are often suggesting that this is unnatural or insincere. 害羞、幼稚或難以預測的; 不自然的或不誠懇的[文學性]

Her fey charm and eccentric ways were legendary. 她讓人捉摸不定的魅力和無厘頭的作風是個傳奇。