逆境的英文：
adversity

参考例句：

A hostile environment
不良环境,逆境

Adversity makes a man wise, not rich
【谚】逆境增才干，并不增财富。

The hard school of adversity
逆境的磨炼.

Fire proves gold; adversity proves man
烈火见真金,逆境出好汉

Adversity makes strange bedfellows
身处逆境不择友

Battle against adversity
和逆境作斗争

Steadfast in adversity
在逆境中毫不动摇

"Prosperity gains (or makes) friends, and adversity tries them"
顺境交朋友,逆境试真情

"Prosperity makes friends, and adversity tries them"
顺境交的朋友,逆境接受考验

Hardship disposes man to meet adversity
艰苦能让人适应逆境。

adversity是什么意思：
n. 逆境；厄运；窘境；灾祸；灾难；不幸的事

Adversity reveals genius
疾风知劲草

In prosperity think of adversity
居安思危

A friend is best found in adversity
患难见真友

Adversity leads to prosperity
穷则思变

Adversity is a good discipline
苦难是磨练人的好机会