孤单的英文：
lone
loneliness

参考例句：

A lone traveller
孤单旅客

A lonesome pine
孤单的一棵松树

Suddenly engulfed by the loneliness of it all, Stella buried her face in her hands and let the tears come.
突然间，无比痛苦的孤单感吞噬了斯特拉，她双手捂着脸，让眼泪尽情地流淌。

To have a lonely life
身世孤单

They are never alone accompanied by noble thoughts.
思想高尚者决不会孤单。

A lone gull flew across the sky.
一只孤单的海鸥从空中飞过。

A lone gull flew across the sky
一只孤单的海鸥飞过天空。

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

Save that I die, I leave my love alone.
只是我死，留下我的爱人孤单。

He lives alone by collecting waste.
他孤单一个靠收废品维生。

lone是什么意思：
adj. 孤身的，独自的；孤单的，寂寞的

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。

loneliness是什么意思：
n. 孤独

The loneliness and grief comes in waves.
孤独和悲伤不断涌上心头。

Hell is a place of loneliness for all eternity.
地狱是一个永远的孤独之地。

A feeling or state of emptiness,loneliness,or loss.
空虚感空虚、孤独或失落的感觉

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。