dumbfound; stun(with a violent blow); pop the question(Anastacia_Travnikova); render someone speechless(Andrey Truhachev); leave one speechless(Andrey Truhachev); make speechless(Andrey Truhachev); knock flat on butt(Used literally, the phrase means that he knocked you down so that your buttocks hit the ground. John wasn't looking where he was going when he came around that corner. He ran right into me, and knocked me flat on my ass. Used figuratively, it means that what he did so surprised or shocked or impressed or startled you, that you might be expected to have such a reaction. I had no idea that Tony could speak any language besides English, but when he started speaking to Mr. Patel in Hindi, and then turned to Mr. Wong and repeated the conversation in Cantonese, he just knocked me flat on my ass! 4uzhoj); give someone a kick in the head(At night he said he loved me but in the morning he gave me a kick in the head saying it was just a one-night stand. 4uzhoj)
