1. n.[C] If there is an upturn in the economy or in a company or industry, it improves or becomes more successful.好转；上升；改善
upturn同源
upbraid
1. v. If you upbraid someone, you tell them that they have done something wrong and criticize them for doing it.责难；非难；责骂
upheaval
1. n.[C] An upheaval is a big change which causes a lot of trouble, confusion, and worry.激变；剧变；动乱
uproot
1. v. If you uproot yourself or if you are uprooted , you leave, or are made to leave, a place where you have lived for a long time.使迁移他处；使离开家园
2. v. If someone uproots a tree or plant, or if the wind uproots it, it is pulled out of the ground.把…连根拔起；根除
backup
1. n.[VAR] Backup consists of extra equipment, resources, or people that you can get help or support from if necessary.（物资、人员等的）支持，辅助
2. n.[VAR] If you have something such as a second piece of equipment or set of plans as backup , you have arranged for them to be available for use in case the first one does not work.备用品；后备计划
upfront
1. adj. If you are upfront about something, you act openly or publicly so that people know what you are doing or what you believe.坦白的；公开的；坦率的
2. adv. If a payment is made upfront , it is made in advance and openly, so that the person being paid can see that the money is there.预付地；先期支付地
3. adj. Upfront is also an adjective.
setup
1. n.[C] A particular setup is a particular system or way of organizing something.体制;组织方式;建制
2. n.[C] If you describe a situation as a setup , you mean that people have planned it in order to deceive you or to make it look as if you have done something wrong.陷害;栽赃
3. n.[SING] The setup of computer hardware or software is the process of installing it and making it ready to use.(软件或硬件的)安装，设置
