He couldn't pretend to understand the processes at work upon and around him.

It's a part of your culture that I don't pretend to understand.

I don't pretend to understand what Peter is up to.

Show interest, but pretending to understand little or nothing, so he will tell it to you better a second time.

"I do not pretend to understand how such a thing could exist at all."

I don't pretend to understand what's going on between you two.

I won't pretend to understand much,' he said at first meeting.

I don't pretend to understand how it is possible, but the people we see are real.

He pretended to understand that it made sense to him.

I do not pretend to understand her reasons, but the images were clear.