Their thinking is divorced from social practice, and they cannot march ahead to guide the chariot of society; they simply trail behind, grumbling that it goes too fast and trying to drag it back or turn it in the opposite direction.

• 他们的思想离开了社会的实践，他们不能站在社会车轮的前头充任向导的工作，他们只知跟在车子后面怨恨车子走得太快了，企图把它向后拉，开倒车。