快速答案
realizar 表示执行或实现；perceber 表示察觉或意识到。
可靠的方法是先判断这个词在句子里的功能，再翻译。
每个词的作用
realizar
to carry out or achieve
Use realizar for making a plan, event, task, or ambition become real.
perceber
to notice or realize
Use perceber for becoming aware of a fact, detail, or meaning.
如何选择
- realizar: Choose realizar if the sentence points to making a plan, event, task, or ambition become real.
- perceber: Choose perceber if the sentence points to becoming aware of a fact, detail, or meaning.
例句
A equipe realizou a pesquisa em março.
The team carried out the study in March.
Percebi que tinha enviado o arquivo errado.
I realized that I had sent the wrong file.
常见误区
English “realize” often means perceber in Portuguese. Realizar uma coisa means carry it out, not merely understand it.
放到语境中练习
从你的真实生活中选一个句子，写两遍：一次用 realizar，一次用 perceber。如果两个版本都可以，说明意思怎样变化。