A proverb meaning one learns unconsciously from one’s surroundings; people pick up knowledge or habits simply by being near them.
職人の仕事を近くで見て育った子は、門前の小僧習わぬ経を読むように自然と技術を覚える。
A child who grows up watching craftsmen often learns the skills naturally, as the proverb says.
家族が料理好きだと、門前の小僧習わぬ経を読むで、子どもも料理が上手になることが多い。
If a family likes cooking, children often become good cooks without formal lessons, as the proverb suggests.