heart and soul 一心一意 

ebb and flow 人世盛衰

cloak and dagger 秘密的行動

law and order 秩序

move heaven and earth 不遺余力

part and parcel 不可或缺

pomp and ceremony 盛典

rain or shine 不論如何

rank and file 大眾

(fight) tooth and nail 全力以赴

treat or trick 不給甜頭就有好看的

注：萬圣節里小孩挨家挨戶的討cookie，say "treat or trick"

facts and figures 確鑿的事實

hugs and kisses 熱情歡迎

ins and outs 來龍去脈

odds and ends 零零星星