fù dú
基本释义
  1. 重复某一阶段的学习
  2. 中途停学一段后重新返回学校上学
英文翻译
  1. to return to the same school and repeat a course from which one has already graduated, as a result of failing to get good enough results to progress to one's desired higher-level school
  2. (of an audio device) to repeat a recorded phrase (e.g. for language learning)