open up

英語（米国） (en-US) 英語（イギリス） (en-GB)

動詞

自動詞 他動詞 比喩的用法 前置詞句

(intransitive, transitive) To open. / (intransitive) To reveal oneself; to share personal information about oneself; to become communicative. / (intransitive) To commence firing weapons.

このボタンはなに？

Could you open up the window to let some fresh air in?

詳細

意味（1）

(intransitive, transitive) To open.

Some vacancies have opened up due to retirements.

詳細

意味（2）

(intransitive) To reveal oneself; to share personal information about oneself; to become communicative.

After three hours of questioning, he finally opened up.

詳細

意味（3）

(intransitive) To commence firing weapons.

As the convoy entered the pass, we opened up on them with everything we had.

詳細

意味（4）

(intransitive, figuratively, of the sky) To rain.

The sky has really opened up. I've never seen this much rain!

詳細

意味（5）

To begin running, driving, travelling, etc., at maximum speed.

The pigeon is moving as before with unhurried haste. … But it must be all out. If it wasn't, then it would open up and get away from that shadow of death behind it.

詳細

意味（6）

(theater) Synonym of cheat out (“to face or turn toward the audience more than would be natural”)

In stage acting, we are frequently asked to cheat out to the audience by opening up our body positions so that we are something halfway between facing them and our partner.

詳細

opens up （ 現在形 単数形 三人称 ）

opening up （ 分詞 現在形 ）

opened up （ 分詞 過去形 ）

opened up （ 過去形 ）