あんなデカい家、どんなに貯金しても買えっこないよ。
I will not be able to buy a house that big, no matter how much I save.
練習をたくさんしなくては、楽器の演奏なんかできっこない。
If you do not practice a lot, there is no way you will be able to do a musical performance.
今のスキルじゃ、あの指輪は壊せっこないよ。
With the skills you have now, there's no way you can destroy that ring.
今年中に３０万円貯めたいの？お前の給料じゃできっこないよ。
You want to save up three hundred thousand yen this year? There's no chance you can with your salary.
日本語で書く練習をしないと、日本語で書けるようにはなりっこない。
If you do not practice writing in Japanese, there is no way you will become able to write it.
どんなに勉強したって「は」と「が」の違いなんて分かりっこない。
No matter how much I study, there is no way for me to understand the difference between 'は' and 'が'.
すべてのケースに備えることはできっこないけど、そうしようとすることは価値がある。
It is impossible to prepare for every case, but there is worth in attempting to do so.
Ａ：「試験は明日だよ！」Ｂ：「明日？明日までに資料全部なんて読めっこない。」
A: 'The exam is tomorrow!'
B: 'Tomorrow? There is no chance of me reading all of the material by tomorrow.'
昨年の優勝者と戦ってもどうせ勝てっこないけど、私は最後まで頑張りぬく。
Even if I fight last year's champion, there's no way I can win anyway, but I'll keep fighting to the very end.
Ａ：「Ｂさん、日本語はもう読める？」Ｂ：「大分前から読めることは読めるけど、漢字は分かりっこない。」
A: 'B-san, are you already able to read Japanese?'
B: 'I have been able to read for quite a while, but there is no chance of me understanding kanji.'
Ａ：「熱があるなら、休暇を取った方がいい！」Ｂ：「休暇なんて取れっこないよ！期限が明日までの仕事があるから！」
A: 'If you have a fever, you should take the day off! '
B: 'There is no way that I can take a day off! There is work that needs to be finished by tomorrow.'
初めて漢字を見て「こんなに書きにくい文字は覚えられっこない」と思ったけど、とにかく勉強し始めた。
When I first saw kanji, I thought 'there is no way I can remember such complicated characters,' but I started learning anyway.
宝くじの当たり番号なんて予測できっこないのに、毎日わざわざ予測しようとする人がいる。
There's no way to predict winning lottery numbers, yet some people try every single day.
明日までに５ページのレポートとか、絶対書けっこないよ。
There is no way that I can write a 5 page essay by tomorrow.
こんな漢字だらけの新聞なんて読めっこない。
There is no way I can read this newspaper that is filled with kanji.