"going through the motions" is an idiom. It means to do something out of habit, and with a growing feeling that you do not like what you are doing, or you are just pretending to do something. Here is an example: Another student sits nearby, going through the motions of reading but really is just flipping each page as if impatient to find a picture.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.