手早い答え
assegurar は状態の保護・確約、garantir は結果や約束の保証をより直接表します。
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
assegurar
to assure or secure
Use assegurar for stating something confidently or taking measures to protect a condition or right.
garantir
to guarantee or ensure
Use garantir for taking responsibility for an outcome, performance, or promise.
選び方
- assegurar: Choose assegurar if the sentence points to stating something confidently or taking measures to protect a condition or right.
- garantir: Choose garantir if the sentence points to taking responsibility for an outcome, performance, or promise.
例文
A lei assegura o acesso à informação.
The law ensures access to information.
O fabricante garante o produto por dois anos.
The manufacturer guarantees the product for two years.
よくある落とし穴
The verbs overlap heavily in “ensure” contexts. Contractual warranty language strongly favors garantir and garantia.
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assegurarで、もう一度はgarantir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。