Correct

周而复始

/ zhōu ér fù shǐ /
Strokes

Definition

lit. the cycle comes back to the start (idiom); to move in circles/the wheel comes full circle

Example

Definition

go round and begin again; go round and round; move in cycles

1
qiú
地球
rào
zhāo
tàiyang
太阳
gōngzhuàn
公转
  
,
zhōuérshǐ
周而复始
  

The earth revolves around the sun periodically.