Grammar Info

N1 Lesson 10: 8/22

ずには措(お)かないWill definitely, Will certainly, Bound to, Not fail to

also used to express that subject (usually non-animate like a book) has an emotional effect on people

Structure

Verb [ない-stem] + ずには + おかない
Verb [ない] + では + おかない
Exception:

する→せずにはおかない
Verb [Negative] + では + おかない

Details

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    Standard

About ずにはおかない

ずにはおかない is a combination of the classical auxiliary verb ず, the case-marking particle に, the adverbial particle は, and the standard negated form of the う-Verb 措(お)く, 措(お)かない, ‘to set aside’, or ‘to leave as is’. It is interpreted as ‘(A) will definitely happen’, or ‘I will not fail to (A)’.

This is a formal expression that literally means ‘I cannot leave it as it is with (A) undone’, and therefore indicates strong will to complete the action that is reflected in the standard translations.

As this structure begins with ず, it will only be used with verbs.

Alternatively, ないでは may replace ず. This will be seen as ないではおかない. However, the meaning will not change at all.

Caution

Due to this grammar expression showing strong will to not give up until (A) is done, it will often be used with causative verbs in (A). This indicates that the speaker is determined not to quit until they can make another person do something.

Examples

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    小説(しょうせつ)、勇者(ゆうしゃ)：「どんな手段(しゅだん)を用(もち)いても、かならず魔王(まおう)を倒(たお)さずにはおかない。」

    Novel: 'No matter what it takes, I will not fail to defeat the Demon Lord!'

    「私(わたし)はきっと彼(かれ)に同(おな)じ手(て)で仕返(しかえ)しをしないではおかない。」

    'I won't fail to pay him back in his own coin.'

    「警察(けいさつ)はすべての悪者(わるもの)に必(かなら)ず罰(ばつ)を与(あた)えずにはおかない。」

    'The police will not fail to punish all the wicked people.'

    「彼(かれ)はまた私(わたし)との約束(やくそく)をすっぽかした。絶対(ぜったい)に彼(かれ)に『ごめんなさい』と言(い)せずにはおかない。」

    'He skipped our appointment again. I won't fail to get him to say "I'm sorry".'

    小説(しょうせつ)：「探偵(たんてい)は『この残虐(ざんぎゃく)行為(こうい)の責任者(せきにんしゃ)を訴追(そつい)せずにはおかない』と意(い)を決(けっ)する。」

    Novel: 'The detective resolved himself, "I won't fail to bring the person responsible for this atrocity to justice".'

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