fair or foul 好坏
friend or foe 是敌还是友
forgive and forget 既住不咎
live and learn 活到老学到老,学无止境
health and wealth 健康与财富
safe and sound 平安无事,安然无恙
sweet and sour 酸甜,苦乐
thick and thin 在任何情况下
black and blue 遍体鳞伤
now or never 勿失良机,机不可失
then and there 当场,当时
cut and carve 使精炼,改动,乱砍
bed and board 食宿,夫妇关系,家
sink or swim 听任沉浮,自生自灭
wild and woolly 粗野的,未开化的
do or die 决一死战,不胜则败
neck or nothing 铤而走险,拼命
make or mar 成功或失败
part and parcel 重要的部分,不可或缺
wreck and ruin 毁灭
twists and turns 迂回曲折
bread and butter 基本生活所需,生计