尽管没有受过正规教育，他凭借直觉和天赋完成了这项复杂的任务。

Despite being ___untutored, he completed the complex task relying on instinct and natural talent.

这位自学画家的作品虽然技巧不够纯熟，但充满原始的魅力。

The ___untutored artist's paintings, though lacking technique, were full of raw charm.