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