快速答案
espiar 表示偷看或监视；expiar 表示赎罪。
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
espiar
to spy or peek
Use espiar for watching secretly or looking through a small opening.
expiar
to atone for
Use expiar for paying a penalty or making amends for guilt.
如何选择
- espiar: Choose espiar if the sentence points to watching secretly or looking through a small opening.
- expiar: Choose expiar if the sentence points to paying a penalty or making amends for guilt.
例句
A criança espiou pela janela.
The child peeked through the window.
O personagem tentou expiar sua culpa.
The character tried to atone for his guilt.
常见误区
The initial vowel changes the moral role: a espião espia, while someone seeking atonement expia uma culpa.
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 espiar，一次用 expiar。如果两个版本都可以，说明意思怎样变化。