手早い答え
enquanto は通常動詞のある節、durante は名詞や期間を導きます。
確実な見分け方は、英語から訳す前に、その単語の働きを見きわめることです。
それぞれの単語の働き
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.
選び方
- 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.
例文
Ouvi música enquanto trabalhava.
I listened to music while I worked.
Choveu durante a viagem.
It rained during the trip.
よくある落とし穴
Do not say durante eu trabalhava. Use enquanto eu trabalhava, or change the structure to durante o trabalho.
文脈の中で練習する
自分の実生活から文を一つ選び、二回書いてみましょう。一度はenquantoで、もう一度はduranteで。どちらも成り立ちそうなら、意味の違いを言葉にしてみましょう。