跑來跑去

To run; to flee or escape; to run errands or be busy; to leak or evaporate; to move away from a proper place; to run into luck.

To come; to arrive; to return; to happen; to be used as a substitute for a verb; indicating possibility; indicating the future or next time; approximately.

To go to a place; to leave; to depart; to die (euphemism); to send or remove; to be apart from; used before a verb to indicate going to do something.