be cognizant of

例句：

1. 1. It's important to be cognizant of the risks involved in any decision.
   对于任何决策所涉及的风险，重要的是要有所认识。
2. 2.The scientist was cognizant of the importance of conducting experiments under controlled conditions.
   这位科学家意识到在受控条件下进行实验的重要性。
3. 3. She was cognizant of the fact that she had a lot of work to do before the deadline.
   她意识到在截止日期之前她有很多工作要做。