重叠式短语again and again 再三地，反复地arm in arm 臂挽着臂bit by bit 一点一点地，渐渐地day after day 日复1日from door to door 挨家挨户face to face 面对面here and there 到处，处处from house to house 挨家挨户less and less 愈加少all day and all night 整日整夜neck and neck 并驾齐驱，不分上下one by one 一个接一个地side by side 肩并肩；一个接一个step by step 越来越
