翻来覆去

1. toss and turn; toss from side to side

♦ 他在床上~睡不着。 He tossed and turned in bed, unable to sleep.

2. again and again; repeatedly

♦ 这种话, 她~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.