严峻的英文：
grim
severe
rigorous

参考例句：

The bullhorn acacia has serious competition
牛角相思树面临着严峻的挑战。

Having entered the international arena, an MNC faced an awesome task
进入国际舞台后，跨国公司面临着严峻的考验。

All the rigid rule of his forebears, all the domination of an unjust social order, grip him.
父辈的严峻的法规，不公平的社会制度，把他牢牢地控制住了。

the other a brunette, with a fierce and haughty expression, and as straight as a poplar.
另外一个肤色略黑，富有一种严峻傲慢的表情，身子挺直，象一棵白杨树。

Publishers hailed Jesus Christ and Harry Potter on Tuesday as saviors of their industry in tough economic times.
在经济形势较为严峻的今天，所有的出版商都由衷地感谢两位拯救了他们的英雄--耶酥基督和哈里·波特。

The brutal facts
严峻的事实

Anti corruption situation is still austere.
反腐败形势依然严峻。

The situation looks ugly.
形势看来很严峻。

The rugged conditions of Barracks life.
兵营生活的严峻条件

We were brought to grips with the hard reality of poverty
我们面临着贫困的严峻现实。

grim是什么意思：
adj. 冷酷的，残忍的；糟糕的，可怕的；严厉的，阴冷的

And, if that sounded grim, Greene responded almost jauntily. "No, not grim, but realistic
如果那听起来太冷酷，那么，格林几乎是得意地回答道:“不，不是冷酷的，而是现实的。”

He felt disconsolate, grim, weary
他觉得郁郁不乐，冷酷而疲惫。

Their grim day-to-day struggle for survival.
他们为生存日日进行的坚苦挣扎。

severe是什么意思：
adj. 严重的；严厉的；严格的；严峻的；严肃的，纯洁的

Rape several women or have sexual relations with several girls
强奸妇女、奸淫幼女多人的

This assumption is false in several ways.
这种推断是错误的，错在了多个方面。

It comes with several inbuilt features.
他有很多固定的特征。

rigorous是什么意思：
adj. 严格的，严厉的；严酷的；严峻的；精确的；严密的

The climate here is rigorous.
这里的天气很严酷。

He was treated with great rigor.
他受到极为苛刻的待遇。

These soldiers are seasoned to the rigors of the climate.
这些士兵适应严酷气候。