快速答案
ambiguidade 允许多种解释；equívoco 是错误的理解、判断或行为。
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
ambiguidade
ambiguity
Use ambiguidade for wording or a situation that reasonably allows more than one interpretation.
equívoco
mistake or misunderstanding
Use equívoco for an incorrect judgment, interpretation, or action.
如何选择
- ambiguidade: Choose ambiguidade if the sentence points to wording or a situation that reasonably allows more than one interpretation.
- equívoco: Choose equívoco if the sentence points to an incorrect judgment, interpretation, or action.
例句
A ambiguidade da cláusula gerou duas leituras.
The ambiguity of the clause produced two interpretations.
O pagamento duplicado foi um equívoco.
The duplicate payment was a mistake.
常见误区
Ambiguous wording may cause an equívoco, but the text’s ambiguity and the reader’s mistake are not the same thing.
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 ambiguidade，一次用 equívoco。如果两个版本都可以，说明意思怎样变化。