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How to Say ‘I’ll make the sound quieter.’ in Japanese

音を小さくします。

oto o chiisaku shi masu

[oh-toh oh chee-sah-koo shee mahss]

💬 Usage Tip: Polite promise. You can add [すぐ] “right away” for extra reassurance: [すぐ音を小さくします].

🇯🇵 In Japan: Neighbors often want reassurance more than debate. A clear promise can end the conversation smoothly.

Phrase Breakdown

oto

[oh-toh]

sound; noise

Used with を to form the phrase 音を〜する. In this sentence, it’s the thing you will lower.

Example

ごめんなさい、音を小さくします。

Sorry, I’ll turn the sound down.

o

[oh]

object marker (marks the direct object)

Marks 音 as the direct object of 小さくします (“make [it] quieter”).

Example

今すぐ音を小さくします。

I'll turn the sound down right away.

小さく

chiisaku

[chee-sah-koo]

quietly; to a lower volume

Adverb form used with します to mean “lower (it).” Common, natural phrasing for “turn it down.”

Example

夜なので音を小さくします。

Since it's night, I'll turn the sound down.

shi

[shee]

do; make (stem)

Combines with ます to make します (polite). This structure sounds cooperative and appropriate with neighbors.

Example

今から音を小さくします。

I'll turn the sound down from now.

ます

masu

[mahss]

polite verb ending

Makes the statement polite and respectful. Good for apologizing and agreeing to quiet hours.

Example

今後は気をつけます。

I'll be careful from now on.

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