“敲门”别再说“knockthedoor”，老外听了可能要报警！(4)

knock (someone) dead

knock someone dead 这个短语看上去似乎带有贬义的意思，但实际上它的意思是给…留下好而深刻的印象；也有令人惊叹的含义。
Her performance really knocked the audience dead.
她的表演着实令观众倾倒。
She told him to go out there on the stage and knock "em dead.
她叫他去当演员，让观众开开眼界。