1.feud 长期不和;争吵不休;世仇;夙怨
例句:Their families had feuded since their teenage daughters quarrelled two years ago.
自从两家十几岁的女儿两年前吵了一架,两家人就结下了仇 。
2.in full swing 在热烈进行中;在热烈进行中;处于兴盛阶段
例句:When we returned, the party was in full swing and the dance floor was crowded.
我们回来时,聚会已进入高潮,舞池里挤满了人 。