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In the sentence これは[本当]{ほんと}に[高]{たか}いです, meaning " _This is really expensive_
", I'm having trouble understanding the meaning of に, which usually has some
connotation of "to", "on", or "at".

This is a phrase presented in Memrise Japanese Level 3, and I'm trying to
start understanding the grammatical sense of the phrases.
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2019-04-05T15:14:43.570
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2019-04-07T19:05:20.220
2019-04-06T05:00:46.647
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grammar meaning particle-に
Meaning of に in 本当に
Adjectives can often be used 'adverbially' (though they are generally not
analysed by Japanese grammarians as 副詞) by adding に rather than な or in this
case の.
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2019-04-05T15:28:51.637
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2019-04-05T15:28:51.637
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If you really wanted to force a preposition into an English translation of 本当に
so that it made more sense, you could say the the に is equivalent to the 'In'
in 'In reality'.
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2019-04-05T21:05:28.570
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2019-04-05T21:05:28.570
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`に` means "to."

e.g.) `あなたに` - To you

`本当に` - To the truth / I will hand this over the truth / truly
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2019-04-07T19:05:20.220
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