karaoke no koshitsu de maiku o tsukau.

We use a microphone in a private karaoke room.

Breakdown of karaoke no koshitsu de maiku o tsukau.

• を: direct object particle
• の: possessive case particle
• で: location particle
• 使つかう: to use

Questions & Answers about karaoke no koshitsu de maiku o tsukau.

Why are there spaces between the words? Does Japanese normally write like this?

No. Japanese is normally written without spaces:

カラオケの個室でマイクを使う。

The spaces here are just for learners, so it is easier to see the parts of the sentence:

• カラオケ
• の
• 個室
• で
• マイク
• を
• 使う

What does の mean in カラオケの個室?

の connects nouns. In this sentence, it shows that 個室 is related to カラオケ.

So:

• カラオケ = karaoke
• 個室 = private room
• カラオケの個室 = a private room for karaoke / a karaoke private room

You can think of A の B as something like:

• B of A
• A’s B
• B related to A

Here, the most natural English translation is a private karaoke room or a private room at a karaoke place.

Why is で used after 個室?