he needed to have repeated for him. In high school he had taken a year of Chinese, and learned "dad" and "mom," but the word for "parents" was not in his textbook for that year.
這樣的問話都要請對方再說一次，高中選了一年中文課程，學到「爸爸」、「媽媽」，但「父母」二字還沒有列在中文教學的字彙裡。