also: ジレッタント
noun
dilettante; dabbler
A person who cultivates an area of interest, such as the arts, without real commitment or deep knowledge. Often carries a slightly negative nuance of superficiality.
彼はディレッタントに過ぎず、専門家ではない。
He is merely a dilettante, not an expert.
ディレッタントの批評は時に鋭
A dilettante's criticism is sometimes sharp but lacks depth.