To Open 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 open and the verb vocab version is to open something.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
You go to open the door. When you do, a huge scream comes out: "AAAHHH!" (あ). Imagine giant あ characters flying out of the door you opened as well.
ドアを開ける
to open a door
目を開ける
to open one's eyes
戸を開ける
to open the door
ドアを開けると、外から風が入ってきた。
When I opened the door, the wind came in from outside.
「ねぇ。このワイン、開けてもらえないかな？」「もちろん。そんなの楽勝さ。」
"Hey. Can you open this wine?" "Of course. It's a piece of cake."
一日も休まずに、毎朝魚屋開けるというのは大役です。
It is a big role to open a fish shop every single morning without missing a day.