"I shouldn't have to say it even once, but more than once!?"
"Once should be enough but to need to say it over and over again!?"
"I shouldn't have to say it even once, but more than once!?"
"I shouldn't have to ~" 「〜する必要がないはずなのに」
"to say it even once" 「一度でも言う」・「一度ならまだしも」
"but more than once!?" 「一度以上！？」
"Once should be enough but to need to say it over and over again!?"
"Once should be enough" 「一度十分はずなのに」
"to need to say it" 「言う必要のは」
"over and over again" 「何度も」・「繰り返す」
[ならまだしも](https://eikaiwa.dmm.com/uknow/questions/15464/)についてもっと詳しく知りたい方はクリックしてください。
オーストラリア 
