手早い答え
copo は取っ手なし、xícara は取っ手付き、taça は通常脚付きの杯です。
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
copo
drinking glass or tumbler
Use copo for a handleless everyday vessel for water, juice, and other drinks.
xícara
cup
Use xícara for a small handled cup, especially for coffee or tea.
taça
stemmed glass or goblet
Use taça for a stemmed vessel for wine, sparkling wine, or ceremonial drinks.
選び方
- copo: Choose copo if the sentence points to a handleless everyday vessel for water, juice, and other drinks.
- xícara: Choose xícara if the sentence points to a small handled cup, especially for coffee or tea.
- taça: Choose taça if the sentence points to a stemmed vessel for wine, sparkling wine, or ceremonial drinks.
例文
Quero um copo de água.
I want a glass of water.
Ela pediu uma xícara de café.
She ordered a cup of coffee.
Serviram o vinho em taças.
They served the wine in stemmed glasses.
よくある落とし穴
The container changes the natural measure phrase: um copo de água, uma xícara de café, uma taça de vinho.
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copoで、もう一度はxícara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。