手早い答え
conhecido は身近・面識がある、famoso は広く世間に知られているという意味です。
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
conhecido
known or an acquaintance
Use conhecido for recognized by a group, familiar, or a person one knows but not closely.
famoso
famous
Use famoso for widely known by many people, often publicly.
選び方
- conhecido: Choose conhecido if the sentence points to recognized by a group, familiar, or a person one knows but not closely.
- famoso: Choose famoso if the sentence points to widely known by many people, often publicly.
例文
Ele é um conhecido da família.
He is an acquaintance of the family.
A cantora ficou famosa no Brasil.
The singer became famous in Brazil.
よくある落とし穴
Uma pessoa conhecida may be your acquaintance, not a celebrity. Context decides whether conhecido is an adjective or a noun.
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conhecidoで、もう一度はfamoso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。