C2 [ I or T ] to (cause to) move so that one side is higher than another side（使）倾斜；（使）倾覆

C2 [ T usually + adv/prep ] UK US dump to pour a substance from one container into another or onto a surface倒；倾倒

[ T usually passive ] to cover the end of something pointed with a liquid, a colour, etc.（用液体、颜色等）覆盖…的尖端

[ I or T ] to give someone who has provided you with a service an extra amount of money to thank them小费

[ T often passive ] mainly UK to say that someone is likely to be successful or achieve something称…有可能成功

[ I or T, usually + adv/prep ] UK US dump to get rid of rubbish by putting it in a place where it should not be乱倾倒（垃圾）

B1 a useful piece of information, especially about how to do something or about the likely winner of a race or competition指点，指导；（关于比赛有望获胜者的）内幕消息

B1 a small amount of money given to someone who has provided you with a service, in addition to the official payment and for their personal use小费

C1 the usually pointed end of something, especially something that is long and thin（尤指细长物体的）末梢，末端，尖

a small part fitted to the end of something, especially something that is long and thin（尤指细长物体的）顶端附加物

C2 UK US also UK dump a place where especially large pieces of rubbish can be taken and left垃圾倾倒场