Did you knock'em dead?

（感動的な演奏できた？）
　ピアノの発表会、どうだった？というメールがお友達から来た。

• "knock someone dead" には「〜を感動させる（to surprise and please someone by being very impressive）（greatly impress someone）」という意味が。
  • With that dress, you'll knock him dead.
  • Whenever Ella sang at a small club, she knocked ‘em dead.
  • Her performance really knocked the audience dead.
  • She told him to go out there on the stage and knock 'em dead.