手早い答え
manter は状態・運用を維持し、preservar は劣化・喪失から守ります。
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
manter
to maintain or keep
Use manter for continuing a state, routine, possession, or operating condition.
preservar
to preserve or protect
Use preservar for shielding something valuable from damage, loss, or unwanted change.
選び方
- manter: Choose manter if the sentence points to continuing a state, routine, possession, or operating condition.
- preservar: Choose preservar if the sentence points to shielding something valuable from damage, loss, or unwanted change.
例文
A equipe manteve o serviço ativo.
The team kept the service running.
O projeto busca preservar a mata nativa.
The project seeks to preserve the native forest.
よくある落とし穴
You can manter a system without preserving its original form. Preservar adds a protective purpose.
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manterで、もう一度はpreservar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。