大案要案 major cases

打白条 issue IOU

大包大揽 take on all things

打包贷款 packing credit

打包儿 use doggy bags to take food home

大包干 all-round responsibility system

打保票 vouch for somebody; guarantee something

达标活动 target hitting activities

大病统筹 comprehensive arrangement for serious disease

大撤把 totally laissez-faire

大包大揽 belly-worship

大酬宾 give a large discount to one's customers or guests

打出王牌 play one's trump card

大出血 make a big markdown

搭错车 follow a wrong train; join in a wrong group; follow a wrong example; wrong act because of wrong judgement or rash imitation

大而全 large and comprehensive; large and all-inclusive

打翻身战 fight to change for the better

打工 do work for others

大规模杀伤性武器 weapons of mass destruction

大锅饭 egalitarian practice of everyone taking food from the same big pot

打黑 crack down on evil forces

大轰动 blockbuster

大环境 the social, political and economic environment; the overall situation

大换血 an overall renewal of the membership of an organization

打击报复 conduct reprisals; retaliate