English Dictionary

that's that

フレーズ

慣用表現

(idiomatic) There is nothing more to say or to do concerning the matter and is not up for discussion or debate.

日本語の意味

もうこれ以上言うこともすることもなく、話題は終わりだという意味。 / これ以上の議論や行動の余地がなく、問題は解決済みまたは取り扱い外であることを示す表現。

After three hours of arguing, she finally slammed the contract on the table and said that's that.

3時間の口論の末、彼女はついに契約書を机に叩きつけ、これで話は終わりだと言った。

意味（1）

(idiomatic) There is nothing more to say or to do concerning the matter and is not up for discussion or debate.

It is quite simple. You're grounded for a week and that's that!

that was that （ past ）