Illegality is the noun for being against the law. If an action is illegal, its illegality is that fact: the law does not allow it. People also use it for an illegal act, or for the illegal side of a business — the illegality of the trade.

Illegality is the noun for being against the lawillegality是「違法」這件事的名詞 If an action is illegal如果一個行為是illegal的 its illegality is that fact它的illegality指的就是這個事實 the law does not allow it也就是法律不允許 People also use it for an illegal act人們也會用它指一個違法的行為 or for the illegal side of a business或指一個生意違法的那一面 the illegality of the trade也就是這筆交易的illegality

It is a formal, paper-and-court word. Though actually, students meet illegal, the adjective, far more often; you reach for illegality when you need a noun.

It is a formal, paper-and-court word這是個正式、書面、法庭用的字 Though actually不過其實 students meet illegal, the adjective, far more often學生更常遇到的是形容詞illegal you reach for illegality when you need a noun需要名詞的時候才會用illegality

It is about law, not just a bad idea or a rude act. Something can feel wrong and still be legal; something can be illegal even if many people do it.

It is about law它講的是法律 not just a bad idea or a rude act不只是一個壞主意或沒禮貌的行為 Something can feel wrong and still be legal有些事感覺不對，卻還是合法的 something can be illegal even if many people do it有些事就算很多人做，還是違法

In ordinary talk, people usually say it is illegal or it is against the law, and save illegality for essays, news, and law.

In ordinary talk一般說話時 people usually say it is illegal or it is against the law人們通常會說it is illegal或it is against the law and save illegality for essays, news, and law而把illegality留給論文、新聞和法律用