翻来覆去 [- lái fù qù]toss about; harp on the same string; repeat oneself again and again; toss and turn; say repeatedly; toss restlessly from side to side; turn over from side to side：
•¶ 这种话， 她翻来覆去不知说过多少遍了。 This is what she has been saying over and over again — I don't know how many times.