快速答案
enquanto 通常引出带动词的从句；durante 通常引出名词或时间段。
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
enquanto
while
Use enquanto for connecting two clauses whose actions or situations overlap in time.
durante
during
Use durante for introducing a noun phrase that names the period.
如何选择
- enquanto: Choose enquanto if the sentence points to connecting two clauses whose actions or situations overlap in time.
- durante: Choose durante if the sentence points to introducing a noun phrase that names the period.
例句
Ouvi música enquanto trabalhava.
I listened to music while I worked.
Choveu durante a viagem.
It rained during the trip.
常见误区
Do not say durante eu trabalhava. Use enquanto eu trabalhava, or change the structure to durante o trabalho.
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 enquanto，一次用 durante。如果两个版本都可以，说明意思怎样变化。