cold-shoulder
🇺🇸
/ˌkəʊld ˈʃəʊldər/
🇬🇧
/ˌkəʊld ˈʃəʊldə(r)/
to ignore or treat someone in a rude or unfriendly way
After the argument, she gave him the cold-shoulder for the rest of the day.
口論の後、彼女はその日ずっと彼を無視した。