1. Limited or incomplete understanding of a subject; knowledge that lacks depth, detail, or comprehensive understanding
His shallow knowledge of the topic became apparent during the debate.
Seu conhecimento superficial do assunto ficou aparente durante o debate.
2. Familiarity with only the basic or surface-level aspects of a subject without deeper insight
She had only shallow knowledge of the programming language.
Ela tinha apenas conhecimento superficial da linguagem de programação.