be in awe (of someone or something)
To have an overwhelming amount of respect or admiration for someone or something, sometimes to the point of feeling nervous or fearful around them or it. Everyone was in awe of the movie star as he came through our small town on his vacation. I've always been in awe of people who dedicate their lives to something like the military. I was in awe as the massive machines soared across the sky overhead.
in awe of, be
Also, stand in awe of. Respect and revere someone or something, experience a feeling of solemn wonder, as in All of us are in awe of his many achievements. This expression dates from about a.d. 1000 and originally meant "fear something or someone." Later awe came to mean "dread mingled with respect," and eventually it signified reverence alone.