to be behind the times

to do something that is very old-fashioned

Example Sentences:

My mom refuses to email me, she still mails me letters. She’s so behind the times.

A: Hey do you want to watch a movie?
B: Sure, let’s do it!
A: Where is your VCR?
B: VCR? I have a Blu-Ray player.
A: You are so behind the times.

Media and Links:

Behind the Times Blog

Similar idioms:

1. fall on hard times
2. hard times
3. fall on hard times