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 a door. When you do, you hear a shocked "Ah (あ)!" from inside. Embarrassed, you let out your own "Ah!" and hurriedly push the door shut again. Maybe you should learn to knock before opening doors, you know?
戸を開ける
to open the door
目を開ける
to open one's eyes
ドアを開ける
to open a 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.