to form an opinion of the amount, value or quality of sth after thinking about it carefully 估计；评价；评估 SYN assess
~ sth
Our research attempts to evaluate the effectiveness of the different drugs.
我们的研究试图对不同药物的疗效进行评估。
~ how, whether, etc.…
We need to evaluate how well the policy is working.
我们需要对这一政策产生的效果作出评价。