reality check

1. N-COUNT If you say that something is a reality check for someone, you mean that it makes them recognize the truth about a situation, especially about the difficulties involved in something they want to achieve. 现实困难; 真情实况[usu sing]

Dylan thinks fans who idolize him need a reality check. 迪兰认为，崇拜他的粉丝需要了解现实状况。