孤独的英文：
lonely
solitary

参考例句：

The widower, the widow, the orphan and the childless
矜寡孤独

go hermit
[美]过孤独的生活

She's a lonesome type.
她是个孤独者。

But little do men perceive what solitude is, and how far it extendeth.
但是一般人并不大明白何为孤独以及孤独底范围。

I wander’d lonely as a cloud That floats on high o’er vales and hills
我象一片孤独的浮云，高高飘荡在山谷之间。

Kessler, formerly an egg candler, lives alone on social security.
凯斯勒原先是个禽蛋质量检验员，现在他靠社会保险过着孤独的日子。

In his film, Waterworld, Costner plays the Mariner, a loner who sails across a world 500 years from now.
在他的影片《水的世界》里，科斯特纳扮演航海者，一个孤独地航行在500年以后的世界上的人。

Woe to him that is alone
孤独的人最苦恼

It will protect me in the market place and sustain me when I am alone.
孤独时,给我支持

She was lonely at the very start.
她开始时感到孤独。

lonely是什么意思：
adj. 寂寞的；偏僻的
n. 孤独者

The lone sheep is in danger of the wolf.
孤羊逢狼，必然遭殃。

I felt lonely and unattractive.
我感到孤独、长得也不好看。

He is the lone doctor in the county.
他是县里唯一的一个医生。

Machen was a lonely, introverted child.
梅琴是个孤僻内向的孩子。

A lonely bird is flying in the sky.
有只鸟儿孤单的在天上飞。

solitary是什么意思：
adj. 孤独的，独居的；肚子的；唯一的
n. 独居的

a solitary retreat.
隐居处

There was the solitary flat marsh on the shore.
岸上是一片荒凉萧索的沼地。

Nixon was solitary and chronically suspicious.
尼克松为人孤僻，一向疑心很大。

He was kept in solitary confinement for a week.
他被单独监禁了一周。

We cannot live like solitaries.
我们也不能象隐士一样过活呀。