difficult反义词 easy，无前缀
difficult 困难的；费力的；难做的；难解的；问题很多的；充满艰难困苦的；麻烦的；难以讨好的；难以取悦的；不愿帮助的
easy容易的；轻易的；不费力的；舒适的；安逸的；安心的；易受攻击的；无自卫能力的；容易吃亏的
例句：
Young people today face a very difficult future at work.
如今的年轻人面临着充满困难的工作前景。
It was a difficult situation, when you think about it.
仔细想来，当时处境是很困难的。
This is not an easy task
这不是件容易的差事。
It is wrong to suggest that there are easy alternatives
如果认为有更容易的选择，那就错了。
