expression
no matter what; under any circumstances; at all costs
Emphatic expression meaning 'whatever happens' or 'no matter what'; often used to express strong determination or inevitability.
どうあっても明日までにこの仕事を終わらせる。
I will finish this work by tomorrow no matter what.
どうあっても彼は自分の意見を曲げないだろう。
He won't change his opinion under any circumstances.