反反复复 (fǎn fǎn fù fù) — again and again; repeatedly (emphatic)

Definition

Examples

• 他反反复复地检查了好几遍。
  Tā fǎn fǎn fù fù dì jiǎn chá le hǎo jǐ biàn.
  He checked it again and again, several times.
• 这个问题老师反反复复地讲了很多次。
  Zhè ge wèn tí lǎo shī fǎn fǎn fù fù dì jiǎng le hěn duō cì.
  The teacher explained this problem over and over many times.
• 不要反反复复地问同一个问题。
  Bú yào fǎn fǎn fù fù dì wèn tóng yí gè wèn tí.
  Don't ask the same question over and over.