back and forth 来来回回的
bed and breakfast 住宿加早餐
cap and gown(coat) 衣帽
fire and water 水火
flesh and blood 血肉之躯；肉体
heavy and light 轻重
iron and steel 钢铁
land and water 水陆
night and day 夜以继日的
north and south 南北
off and on 断断续续的
old and young 无论老少；人人
old and new 新旧
one and only 唯一
rain or shine 不论阴晴
rich and poor 穷富
right and left 左右
twos and threes 三三两两
you and I 你我
part and parcel 重要部分
give and take 平等交换；交换意见
mock and satire 冷嘲热讽
rain and wind 风雨
aches and pains 痛苦；不适
bag and baggage 完全地
brothers and sisters 兄妹
fair and square 公正；正大光明的
far and away 无疑地、肯定地
far and near 远近；到处；四面八方
first and foremost 首先
first and last 总的说来；主要地
fish and chips 炸鱼和薯条
free and easy 轻松自在的；随便的
wife and children 妻儿
good or ill 好歹(善恶)
hale and hearty 健壮；精神充沛
