He does have a natural English reserve, even a certain shyness, and he is always under control.

Jean looked up at him understandingly, and with a certain shyness in her eyes.

Lucifer seemed to exhibit a certain shyness with me.

I felt a certain shyness at referring to matters which were no concern of mine.

There's a certain shyness that he has that draws him away from attention.

But the fact that he must have discerned a certain shyness in her responses.

With a certain shyness, he reiterated in his mind the tape recording.

She had dark curly hair with no sign of grey, and a certain shyness that could make her manner seem brusque.

Benjie, not without a certain shyness, cleared his throat and began.

At first, she felt a certain shyness in his eyes, but that did not last long.