don't know

Noun

Someone who does not give a definite opinion in a questionnaire / Something one is uncertain about.

Japanese Meaning

質問票で明確な意見を示さない人のこと / 確信が持てない事柄、または不確かなこと

In the survey, the number of don't know responses significantly affected the final results.

調査では、無回答の数が最終結果に大きな影響を与えた。

Sense（1）

Someone who does not give a definite opinion in a questionnaire

Sense（2）

Something one is uncertain about.

don't knows

（ plural ）