dilettante

音標(biāo)發(fā)音

adj性質(zhì)的同根詞
dilettantish：對(duì)藝術(shù)、科學(xué)等一知半解的；半瓶醋似的；淺薄的；業(yè)余愛(ài)好的。

Perhaps you’d be more serious about this job if you weren’t such a dilettante.
約翰說(shuō)，“如果你不是個(gè)業(yè)余愛(ài)好者，也許對(duì)此工作你會(huì)更認(rèn)真些。
Much of Ms Trott’s personal blog, VoxTrott, is devoted to images of her beloved dog Maddy, while Mr Trott, a dilettante cook, likes to post “disgusting pictures of good food” on his blog.
Trott女士個(gè)人博客VoxTrott中有許多其愛(ài)犬Maddy的照片，而對(duì)廚藝半懂不懂的Trott先生則喜歡在他的博客中貼一些“令人作嘔的美食圖片”。
Much of Ms Trott's personal blog, VoxTrott, is devoted to images of her beloved dog Maddy, while Mr Trott, a dilettante[5] cook, likes to post "disgusting pictures of good food" on his blog.
Trott女士個(gè)人博客VoxTrott中有許多其愛(ài)犬Maddy的照片，而對(duì)廚藝半懂不懂的Trott先生則喜歡在他的博客中貼一些"令人作嘔的美食圖片"。

Now this obscure writer's book has been transformed into a brilliant movie by Julian Schnabel, the artist and cinematic dilettante.
CENTERFORSECURITYPOLICY: Richard Cohen Reminds the Left Why Castro Must Go
' I've worked very hard to get away from the impression that I'm some sort of dilettante riding on my inheritance.
FORBES: Field of Dreams
He inherited more of his temperament from his grandfather, the driving, autocratic Emperor Meiji, than from his sickly, dilettante father, Emperor Taisho.
ECONOMIST: A god dethroned

a person who is or seems to be interested in a subject, but whose understanding of it is not very deep or serious

You can use dilettante to talk about someone who seems interested in a subject, especially in art, but who does not really know very much about it.