expression
in contrast to one's appearance; despite how one looks
Used to say that someone or something is different from what their appearance suggests. Often followed by a surprising or unexpected quality.
彼は見かけによらず、とても力持ちだ。
Despite his appearance, he is very strong.
見かけによらず、この料理は簡単に作れる。
Contrary to how it looks, this dish is easy to make.