This means that something will happen no matter what. It shows that a condition does not change the result.
Verb [volitional form] + がPrimary
Verb [volitional form] + と
い-Adjective [stem] + かろう + が
な-Adjective + であろう + が
Noun + であろう + が
This means that something will happen no matter what. It shows that a condition does not change the result.
どんなに反対されようが、私は自分の信じる道を進む。
No matter how much I am opposed, I will proceed on the path I believe in.
彼が来ようが来まいが、会議は定刻通りに開始します。
Whether he comes or not, the meeting will start on time.
周りが何と言おうと、私は自分の計画を実行した。
No matter what anyone around me said, I carried out my plan.
値段がどれだけ高かろうが、この歴史的価値のある本は買うつもりです。
No matter how expensive it is, I intend to buy this historically valuable book.
その計画がいかに困難であろうと、我々は挑戦を諦めるべきではない。
However difficult that plan may be, we should not give up the challenge.
This grammar shows that something will happen no matter what. It is like saying, 'nothing can stop this.' It makes your words sound very strong and sure.
This is different from 〜ても. Both mean 'even if'. But 〜(よ)うが is much more formal. It shows a stronger feeling of not caring about the condition. It is also different from 〜にせよ or 〜にしろ. Those just list possibilities. 〜(よ)うが shows a strong will. It means the result will not change.
Don't use this when you tell someone what to do. For example, you cannot say, "No matter if it rains, take an umbrella!"
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