alone与lonely的区别

alone 副词 adv. 单独；独自
by yourself;with no other people
· She went home alone.
她独自回家去了。
· It's foolish of him to go alone.
他单独去未免太傻了。
· When his wife died, he lived alone.
他的妻子死后，他一个人生活。
· An elderly patient was sitting in her wheelchair alone.
一位上了年纪的病人孤单单地坐在轮椅上。

副词 adv. 仅仅；只有
only
· He alone can do it.
只有他才能做这件事。
· You alone can help me.
只有你能帮我忙。
· He alone was in the room.
仅他一个人在房间里。
· The people, and the people alone, are the motive force in the making of world history.
人民，只有人民，才是创造历史的动力。

形容词 adj. 单独的
apart from others
· He is alone.
他独自一人。
· The ticket collector at the gate noticed that he was alone.
门口的检票员注意到他是独自一人。
· We are not alone; we have friends all over the world.
我们并不孤立，我们的朋友遍天下。
lonely词缀： -ly具有某性质的in the specified manner
形容词比较级： lonelier 最高级： loneliest
a. 1.孤独的，寂寞的 2.荒凉的，人迹稀少的
形容词 adj. 孤独的；寂寞的
sad because you are alone,with no friends
· She often felt lonely.
她常感到寂寞。
· I was alone,but I did not feel lonely.
我虽然孤单，但我不感到寂寞。
· Sarah felt lonely when her best friend left the town.
自从她最好的朋友离城以后萨拉感到很寂寞。
· They live a lonely life in a lonely house in the hills.
他们在山中一栋孤零零的房子里过着寂寞的生活。

形容词 adj. 偏远的；人迹罕至的
far away from other places
· Two noblemen took him to a lonely house.
两个贵族把他带到一座僻静的房子里。
· They went to a lonely place in the mountains.
他们到了山中寂寞的地方。

alone和lonely的用法区分

alone是指行为或动作上的，译为单独，独自。lonely是指心灵上的，译为寂寞，孤独。

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都是形容词
但是强调的意思不同
lone
有独立的意思
alone
是指一个状态，就是单独的意思，alone
at
home,单独在家，不强调主观感受
lonely
则是孤独的意思，强调一种感觉
举例：我可能alone,但不一定lonely

alone可以作形容词，但是只做表语，不用做定语。
He was alone in the house.
也可以做副词。He came alone.是‘独自’的意思，不含感情色彩
lonely既可以作定语，也可以作表语。
作表语是‘寂寞’、‘孤立’的意思，一般指人孤独寂寞；作定语指地方荒无人烟，有浓厚的感情色彩
She lives alone ,but she doesn't feel lonely.
She felt lonely when she was left alone.
a lonely place