spike
noun [ C ] uk/spaɪk/ us/spaɪk/
(SHAPE)
尖头，尖刺；（尤指金属的）尖状物
a narrow, thin shape with a sharp point at one end, or something, especially a piece of metal, with this shape
There were large spikes on top of the railings to stop people climbing over them. 栏杆顶端装着粗大的尖钉，防止有人攀越。
Some types of dinosaur had sharp spikes on their tails. 有些种类的恐龙尾部有锋利的尖突。
spikes （某些运动鞋上的）防滑鞋钉;钉鞋
a set of short, pointed pieces of metal or plastic, attached to the bottom of shoes worn for particular sports, that stop the person wearing the shoes from sliding on the ground, or shoes with these pointed pieces
You will need to wear spikes when we are training.
Wearing spikes helps runners push forward on uneven ground.
The type of track spikes athletes use depends on the event they are competing in.
I bought a new pair of spikes when I joined the team.
Spikes help players compete in wet and muddy conditions.
(LEVEL)
（通常在指下跌前）非常高的数量，价格或程度
a very high amount, price, or level, usually before a fall
If price spikes continue, people will not be able to afford the new houses they want. 如果价格上涨的趋势继续，人们将无力购买想要的新屋。
spike
verb [ T ] uk/spaɪk/ us/spaɪk/
(STOP)
informal拒绝刊登；弃置（文章）不用
to decide not to publish an article in a newspaper
The story was deemed too controversial and so they spiked it. 他们认为这篇报道争议太大而拒绝刊登。
(MAKE STRONGER)
将烈酒掺入（饮料）;使增添风味（或趣味）
to make a drink stronger by adding alcohol, or to add flavour or interest to something
She claimed that someone had spiked her drink with whisky. 她声称有人在她的饮料里加了威士忌。
The pasta was served in a cream sauce spiked with black pepper. 意大利面配的是黑胡椒奶油汁。
His writing is spiked with humour. 他的文章中带有幽默诙谐的味道。
(HIT)
（排球运动中）扣（球）
in the sport of volleyball, to hit the ball so that it goes almost straight down on the other side of the net
(POINT)
用尖物刺入；刺穿
to push a sharp point into something or someone
She got badly spiked when one of the runners trod on her heel. 一名跑步选手踩在她脚后跟上，她被严重扎伤了。
(LEVEL)
[ I ]（通常指在下跌前）上升至非常高的数量（价格或程度）
to rise to a higher amount, price, or level, usually before going down again
The jobless rate in October spiked to a five-year high. 十月份的失业率上升至五年来的最高点。
Idiom
spike someone's gunsidiom 打乱（某人）的计划
to spoil someone's plans
We wanted to build an extra room onto the side of our house, but our neighbours spiked our guns. 我们想在房子旁加盖一个房间，但邻居们打乱了我们的计划。