他是一位真正的艺术鉴赏家，尤其喜欢收藏当代油画。

He is a genuine ___appreciator of art, with a special passion for collecting contemporary paintings.

她是一位古典音乐的鉴赏家，能听出最细微的音调变化。

She is a true ___appreciator of classical music and can detect the subtlest tonal shifts.