To Narrow Something
To Narrow Down Something
transitive verb, ichidan verb
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means narrow, so the verb version is to narrow something or to narrow down something.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You haven't learned this reading yet so here's a mnemonic to help you:
You have to narrow the width of something. The only way you can do that is to sever (せば) off each end. Maybe you're trying to get a sofa up a tight stairway. The only way to do that is by severing off each arm to narrow it.
もう少しここの幅を狭めることはできますか？
Can you narrow the width a little more here?
この部屋を狭めて、バスルームを広くするつもりなんです。
I plan to narrow down this room and make the bathroom larger.
初めから自分の視野を狭めないことが大切です。
It's important not to narrow one's perspective from the beginning.
もう少しこの記事のテーマを狭めた方が、読者にとって分かりやすくなるかもしれないね。
It might be easier for readers to understand if you narrowed down the topic of this article a little more.