“scold”与“blame”在用法上有什么区别？

blame比scold复杂点儿。
scold 及物动词 责骂
例句：
I was not allowed to scold her anymore.
我被告知不许再责骂她了。
She didn't even scold me for coming home to spy.
她甚至没有骂我回家进行秘密活动。
scold sb in good round terms [Source: nciku_tw ]
痛骂某人.
他也为自己的错误流下了眼泪，我就不落忍再批评他了。
He has already shed tears for his mistakes, and I can't bear to scold him any more.
教育孩子应该多劝谕，少责骂。
To educate a child, we'd better reason more and scold less.

blame
1. 名词 [u] (for mistake，crime) 责备

2. 及物动词 to blame sb for sth 为某事责备某人

to take the blame (for sth)
(对某事)负责
to be to blame (for sth)
该(为某事)负责任
to blame sth on sb
把某事归咎于某人
you can't blame him for trying
你不能怪他去尝试
who's to blame?
是谁的责任？
I'm not to blame
责任不在我
例句：It's absolutely against my principles to blame people or make them feel guilty without any reason.
无缘无故责备别人或者让别人有罪恶感，是完全违背我的原则的。
Don't blame yourself, just put it down as an experience.
别自责了，权把它当作一次经验教训吧。
Don't blame your parents for all the wrong that you have done.
明明所有的错都是你犯的，怎么能怪你父母？
You only have yourself to blame for having failed the exam.
你考试不及格只能怪你自己。
We can't really blame him for wanting to leave because he has nothing to do here.
我们真的不能怪他想要离开，他在这儿实在是无所事事。
He shouldn't be to blame under the circumstances.
在这种情况下，他不应该受到指责。
I wouldn't blame Peter for trying to get a new job because it must be boring to answer the phone all day long.
整天接电话一定非常无聊，所以我不会责怪彼德试图找份新工作的做法。
I'll take the blame for the failure of the project because I was in charge.
我会承担这个项目失败的责任，因为这个项目是我负责的。
Be rational,do not point blame without first having found out the truth.
要理性一点儿，在找到真正原因之前，不要乱指责别人。
The judge said he found nothing to justify blame in the accident.
法官说他没有找到能够判定此次事故责任的证据。

scold指责骂，一般指长辈对晚辈或者上级对下级的责骂，语气较重，而blame指责怪，语气不如scold重，而且也没有特定的使用对象。