I'm having some trouble understanding the meaning of phrases that uses two verb particles in two different words but with the same verb.

Such as:

怠惰はあなた不幸する - Your laziness will make you unhappy.

する pointing to both あなた and 不幸.

  • 1
    I don't believe this structure is all that different from ditransitive verbs in English like 'He gave 'me' 'a coin', where 'me' is the direct object and 'a coin' is the indirect object
    – Angelos
    Mar 16, 2022 at 20:35
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    How would you understand 不幸にする alone?
    – aguijonazo
    Mar 16, 2022 at 22:09
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    Too late to edit so let me amend my previous comment: 'me' is the indirect object and 'a coin' is the direct object
    – Angelos
    Mar 16, 2022 at 23:14
  • @Angelos I agree, but I'm not sure if adverbial に usage is somehow related and what is the difference. For example, 簡単に綺麗にする, "to clean easily". The meaning is rather simple and we intuitively understand that both に play slightly different roles, but what exactly second に does? Something like a goal, final point? Perform something to achieve clean state in volitional situations and undergo such change in involuntary situations? Mar 26, 2022 at 9:24

2 Answers 2



は(wa)is concatenated with 怠惰(taida).

を(wo)is concatenated with あなた(anata).

~にする(~ni suru) is concatenated with 不幸(fukou).

I don't think any other interpretation than this is possible.

Maybe you are confusing the fact that many expressions that end with <~にする> are already idioms themselves. So 「不幸にする」can be regarded as an idiom, so 「不幸をする」doesn't seem to make sense.


不幸だ is a na-adjective turned into an adverb using に, the same way -くis used to make adverbs out of i-adjectives. Do not mistake this に as the に particle, it is just the renyoukei (conjunctive form) of the copula だ.

It is also worth noting that にする can be used with adjectives much like になる, except the meaning is causative, as in to make something happen, rather than something just occurring or becoming that way.

All that said, the translation of your sentence is "Laziness makes you unhappy"

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