expression, conjunction
no wonder; little wonder; after all; as expected; which isn't surprising
Used to express that something is not surprising given the circumstances; often follows an explanation or reason.
彼は毎日10時間勉強している。それもそのはず、来月試験があるからだ。
He studies 10 hours every day. No wonder, since he has an exam next month.
彼女は料理が上手だ。それもそのはず、プロのシェフだからね。
She's good at cooking. Little wonder, as she's a professional chef.