～までだ (～made da)
Explanation
Expresses a limit or extent; 'it's only up to...', 'no more than...'.
Formation
Verb (dictionary/ない form) + までだ, い-Adjective + までだ, Noun + までだ
Detailed Explanation
The ～までだ grammar point is used to emphasize that something goes only up to a certain limit or extent. It can also imply 'it's only this and nothing more.'
Examples
彼とは友達までだ。それ以上の関係ではありません。
Kare to wa tomodachi made da. Sore ijou no kankei dewa arimasen.
With him, it's only friendship—nothing more.
飲み放題は9時までだ。それ以降は追加料金が必要だ。
Nomihoudai wa kuji made da. Sore ikou wa tsuika ryoukin ga hitsuyou da.
The all-you-can-drink deal is only until nine. After that, there's an extra charge.
私たちの情報は昨日までだ。それ以降のアップデートはありません。
Watashitachi no jouhou wa kinou made da. Sore ikou no appudeeto wa arimasen.
Our information only goes up to yesterday; there are no further updates.
彼の知識は中学生レベルまでだ。それ以上は理解できない。
Kare no chishiki wa chuugakusei reberu made da. Sore ijou wa rikai dekinai.
His knowledge is only at a junior-high level. He can't understand anything more advanced.
Grammar content sourced from hanabira.org.