An expression indicating strong disbelief or that something is highly unlikely or impossible. Often used as '〜のはずがない' to assert that something cannot be the case.
彼がそんな失礼なことを言うはずがない。彼は礼儀正しい人だ。
There's no way he would say something so rude. He's a polite person.
明日は休みのはずがないよ。会社のカレンダーを見てごらん。
There's no way tomorrow is a holiday. Look at the company's calendar.
そんなに簡単に解決するはずがない。よく調べる必要がある。
It can't be solved that easily. We need to investigate thoroughly.