astound with

astound (one) with (something)

To amaze one with something. I didn't know she was such a talented singer—she astounded us with her voice. You astounded the committee with your thorough, incisive analysis.
See also: astound
Farlex Dictionary of Idioms.

astound someone with something

to shock or amaze someone with something. She astounded us with her skill. He astounded himself with his sudden burst of strength.
See also: astound
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • astound
  • astound (one) with (something)
  • a mystery to (one)
  • appear to
  • (lone) voice in the wilderness
  • a voice in the wilderness
  • able to do
  • able to do it
  • a change of heart
  • (one) can whistle for it
References in periodicals archive
Reese Witherspoon bared her soul and body to portray Cheryl Strayed in "Wild." Julianne Moore continued to astound with a raw turn as a professor suffering from Alzheimer's in "Still Alice." And the ladies of "Birdman"--Emma Stone, Andrea Riseborough, Amy Ryan and Naomi Watts--create characters who could each warrant their own movie.
Just as alchemists and metallurgists confound and astound with science, Montana's Volumen confound and astound with sonics.