はずがない

expression, i-adjective

cannot be; it's impossible that; there's no way that

Expresses strong conviction that something is impossible or highly unlikely based on logic, common sense, or the speaker's knowledge. Often follows a clause in plain form.

• 彼かれがそんなことをするはずがない。

  There's no way he would do such a thing.

• こんなに簡かん単たんな問もん題だいが解とけないはずがない。

  It can't be that I can't solve such a simple problem.

• あの二人ふたりが結けっ婚こんするはずがないと思おもっていた。

  I thought there was no way those two would get married.