感情中因为争吵等原因造成双方干脆不理对方、不跟对方说话，这种情况叫做：falling out，例如：I had a falling out with my girlfriend. 我不理我女朋友了。它也可指友情或亲情，当你跟一个朋友或者亲人闹矛盾了彼此不理对方也可以这么说，例如：I don't wanna talk to him. We had a falling out

silent treatment 感情中的“冷战”，My girlfriend's giving me the silent treatment because I forgot her birthday.