激烈竞争的英文：
fierce competition
intense competition
tough competition
cut-throat competition
rat race

参考例句：

Deregulation of US airlines results in fierce competition and price - cut .
撤销对美国航班的管制规定导致了激烈的竞争和价格下跌。

"The stiff (intense, fierce, cut-throat, intensifying)competition (rivalry)"
激烈的竞争

The jungle of business
商业的激烈竞争

The spirited competition kept them on their toes.
激烈的竞争使他们保持警觉。

There is great rivalry Between the two sisters.
这两姐妹间有一场激烈的竞争。

A bitter contest developed between the two men for that position.
那两个人为得到这一职位展开了激烈的竞争。

a mano a mano between the presidential candidates.
两名总统候选人之间的肉搏似的激烈竞争

Enemies sometimes become friends, and competition sometimes turns into co-operation.
冤家对头可能变成莫逆之交。激烈竞争导致密切合作。

It is extremely difficult to launch a new product in the face of cutthroat competition from rival producers.
面对竞争对手们异常激烈的竞争，要开发一种新产品是极其困难的。

Swelling ranks of the rich have led to a scramble among the world's largest banks to capture them as clients.
日益扩大的富人阶级已导致全球最大银行之间激烈竞争，这些银行都想招揽他们成为自己的客户。

fierce是什么意思：
adj. 凶猛的；狂热的，强烈的；猛烈的，激烈的

The eagle is riding on the fierce wind.
鹰在狂风中翱翔。

The weather is really fierce.
天气确实遭透。

A wolverine is a small fierce mammal.
貂熊是一中小而凶猛的动物。

competition是什么意思：
n. 比赛；竞争；竞争对手；竞争产品

The competition is relentless.
竞争是无情的。

The competition of this kind of not complete, imparity is competition of a kind of forestall.
这种不完全、不平等的竞争就是一种垄断竞争。

The competition is very strong this time.
这次的对手非常强。

intense是什么意思：
adj. 强烈的，剧烈的；非常的；紧张的；认真的；热情的；洞悉一切的

intense heat; intense anxiety,; intense desire; intense emotion; the skunk's intense acrid odor; intense pain; enemy fire was intense.
酷暑；强烈的渴望；强烈的愿望；强烈的情绪；臭鼬的强烈而刺鼻的气味；剧烈的疼痛；敌人的火力很强。

There followed a intense debate.
接下来是一场激烈的争论。

They take the intensive training course.
他们接受密集的训练课程。