upsurge in crime
collocation犯罪激增
The city has seen an upsurge in crime over the past year.
过去一年该市犯罪激增。
激增；骤增；急剧上升
upsurges — plural of upsurge
突然的强烈上升或流动；增长；高潮
a sudden strong rise or increase
突然的强烈上升或流动
A sudden strong rise or flow.
The city has seen an upsurge in cycling since the new bike lanes were built.
自从新自行车道建成以来，这座城市骑自行车的人数激增。
用法提示：此处 upsurge 是名词，表示数量突然激增，常与 in 连用。
There was a sudden upsurge of interest in local history after the museum exhibition opened.
博物馆展览开幕后，人们对当地历史的兴趣突然高涨。
用法提示：upsurge 作名词，强调兴趣或情绪的急剧上升，常与 of 连用。
Doctors are worried about the recent upsurge in flu cases during winter.
医生们对冬季流感病例最近的猛增感到担忧。
用法提示：upsurge 是名词，描述病例等数字的急剧上升。
与 upsurge 最接近，都强调突然而强烈；但 surge 更常指具体的浪涛、电流或情绪冲高，且可兼作动词。
最通用，但只表示数量或程度的增加，不带“突然、强烈”的含义；需要突出急剧感时不宜直接替换。
强调向上移动或价格/数值上涨，语气中性；比 upsurge 缓和，缺少“骤增”的强度。
多指经济、情绪或运势由低转高的趋势，一般较渐进，不是强烈的突发性激增。
侧重事态、冲突或规模的逐步升级，常含负面或对抗色彩，不强调数量激增或流动。
指数量或程度的逐渐下降，与upsurge（激增）相反；decline侧重渐进，upsurge侧重突然。
指数量或程度的下降，尤其指突然或明显的下降，与upsurge（骤增）相对。
指突然而剧烈的下降，与upsurge（猛增）形成强烈对比，两者都强调变化幅度大。
犯罪激增
The city has seen an upsurge in crime over the past year.
过去一年该市犯罪激增。
需求激增
There has been an upsurge in demand for electric vehicles.
对电动汽车的需求激增。
暴力事件激增
The upsurge of violence has alarmed residents.
暴力事件的激增令居民感到震惊。
突然激增
The sudden upsurge in prices took everyone by surprise.
物价的突然激增让所有人措手不及。
经济高涨
The country enjoyed an economic upsurge after the reforms.
改革之后，该国经济高涨。
兴趣激增
There has been an upsurge of interest in traditional music.
人们对传统音乐的兴趣激增。
up-（前缀，向上）+ surge（词根，激增；汹涌）。同前缀词：upgrade, uplift；同根词：surge, resurgence
常指经济活动或需求的急剧增长，与 upsurge 的快速上升含义相近。
指大量人或物突然涌入，带有突然和大量的感觉，与 upsurge 的“猛增”相关。
比喻某种活动或情绪的高涨，像浪潮一样涌来，与 upsurge 的快速流动概念相关。
指某事突然发生并迅速蔓延，与 upsurge 所强调的突然性一致。
急剧上升往往达到一个顶点，peak 是这一过程的最高点。
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Dictionary facts from ECDICT, WIKTIONARY, WORDNET.