run around in circles 兜圈子；打滚；四处乱窜；忙得团团转；毫无成效(或目的)地瞎跑

【例句】
It may run around in circles or not move at all.
它可能会遇到兜圈子或不动都没有。

The parents told their children to stay focused and not run around in circles.
父母告诉孩子要坚定目标，不可瞎忙一阵。