If someone is cognizant of something, they know about it and they understand it — not a fuzzy feeling, but a clear, awake kind of knowing. The usual pattern is cognizant of (a fact, a risk, a rule).

If someone is cognizant of something如果一個人對某件事是cognizant的they know about it and they understand it他們知道這件事，也了解這件事not a fuzzy feeling, but a clear, awake kind of knowing不是模糊的感覺，而是一種清楚、清醒的知道。The usual pattern is cognizant of (a fact, a risk, a rule)常見的用法是cognizant of，後面接事實、風險、規則。

You will meet this word in law, government, hospitals, and careful American writing: a firm may be cognizant of the danger; a court may be cognizant of the facts. It is a stiff, official word, the sort that belongs in a report, not in a chat with a friend.

You will meet this word in law, government, hospitals, and careful American writing你會在法律、政府、醫院，以及講究的美式寫作裡遇到這個字: a firm may be cognizant of the danger; a court may be cognizant of the facts比如一間公司可能cognizant of危險，一個法院可能cognizant of事實。It is a stiff, official word, the sort that belongs in a report, not in a chat with a friend這是個生硬、正式的字，適合出現在報告裡，不適合出現在跟朋友的閒聊中。

In ordinary talk people say they know or they are aware. British speakers use it less and often prefer aware.

In ordinary talk people say they know or they are aware平常說話大家會說know或aware。British speakers use it less and often prefer aware英式英語使用者比較少用這個字，常常偏好用aware。

It does not mean “clever” in general; you are always cognizant of some particular thing. Older legal English also speaks of a cognizant authority — the office that is supposed to know a matter and deal with it.

It does not mean "clever" in general它不是泛指「聰明」you are always cognizant of some particular thing你永遠是對某件具體的事情cognizant。Older legal English also speaks of a cognizant authority較舊式的法律英文也會說a cognizant authoritythe office that is supposed to know a matter and deal with it也就是應該知道並處理某件事的主管機關。