"refuse to answer foolish and ignorant questions." Paul means that the people who ask such questions are foolish and ignorant. Alternate translation: "refuse to answer the questions that foolish people who do not want to know the truth ask" (See: [[rc://en/ta/man/jit/figs-metonymy]])
Paul speaks of ignorant questions as if they were women giving birth to children. Alternate translation: "they cause arguments" (See: [[rc://en/ta/man/jit/figs-metaphor]])