Learner's definition of RIGHTLY
1
: in a way that is correct : correctly正确地；对 -
If I remember rightly, today is his birthday.如果我没记错的话，今天是他的生日。
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She rightly anticipated a decline in the value of the stock.她准确预料到那只股票价值的下跌。
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He points out, quite rightly, that there are flaws in the theory.他指出那个理论存在缺陷，他是很有道理的。
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Many people, rightly or wrongly, believe the economy will soon improve.且不问对还是错，许多人都相信经济将会很快好转。
2
: for a good reason : in a way that is proper or appropriate有（恰当）理由地；恰如其分地；适当地 -
She rightly admires his paintings.她恰如其分地赞赏他的绘画。
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People are rightly upset about the city's rising crime rate.人们有理由为城市的犯罪率上升而感到不安。
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Quite rightly, the police commissioner is being blamed for the city's rising crime rate.警察局长因城市犯罪率升高而受到指责，这是理所应当的。
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She is proud of her children, and rightly so.她为她的孩子们感到骄傲，这是很自然的。
3
informal : with certainty : for sure确定地；确切地 —
usually used in negative statements通常用于否定句