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This is a bit embarrassing, but on no less than the very first line of Komi-
san, in Japanese, I'm presented with the following:

[![enter image description
here](https://i.stack.imgur.com/2nOsw.jpg)](https://i.stack.imgur.com/2nOsw.jpg)

Now I've searched for a solid hour and found no definition for
NounをAdjectiveとするNoun that makes sense in this context. Specifically:

> 人付き合いを苦手とする症状

DeepL gives something along the lines of "The symptoms of bad social
disposition".

The English translation gives something like "it's a condition where a person
has trouble communicating with other people"

I'm now unsure if the first big line is crucial here. I'm just kind of stumped
as to how this grammar works.
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2022-01-22T05:11:05.967
93059
2022-01-22T08:28:27.973
2022-01-22T05:22:33.730
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question
grammar particle-と
NounをAdjectiveとするNoun meaning something like a normal adjective
「AをBとする」 can mean not only "to regard A as B", "to use A as B", but also "to
have A as B", or even "(Speaking of the subject,) A is B."

> マリア **を** 母 **とし** 、... (≈マリアが母で...)  
>  日本語 **を** 母語 **と** し、... (≈日本語が母語で...)  
>  先天性心疾患治療 **を** 得意 **と** します。 (≈先天性心疾患治療が得意です。)

I think this usage sounds pretty literary. (These examples above sound more
literary than the rephrased counterparts in the brackets.)

* * *

And 「AをBとするXX」 can mean "XX having A as B", "XX with A being B", or "XX, where
A is B" (≈「AがBであるXX」「AがBのXX」), as in...

>   * 「遺伝子組換えでない食品を原材料とする場合」 (≈遺伝子組換えでない食品が原材料である場合), "a case where
> 遺伝子組み換えでない食品 is (a product's) ingredient"
>   * 「日向灘を震源とする地震」 (≈日向灘が震源である地震), "an earthquake with 日向灘 being its 震源"
>   * 「中学生を対象とするコンクール」 (≈中学生が対象のコンクール), "a competition where 中学生 are its 対象"
>   * 「日本語を母語とする者」 (≈日本語が母語である者) "someone having Japanese as their native
> language" ⇒ "someone whose native language is Japanese"
>

Similar examples:

>   * 「治療を目的とする手術」 (≈治療が目的である手術)
>   * 「ストーブを原因とする火災」 (≈ストーブが原因の火災)
>   * 「外科を専門とする医師」 (≈外科が専門の医師)
>   * 「英語を不得意とする学生」 (≈英語が不得意な学生)
>

Similarly...

> 「人付き合い **を** 苦手 **とする** 症状」≈「人付き合いが苦手である症状」

I think it can be understood as ( _literally_ ) "a symptom where socialising
is one's weakness", ⇒ "A symptom where one is bad at socialising".
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2022-01-22T08:28:27.973
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2022-01-22T08:28:27.973
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answer