1.
one pair, a pair, a matched set of two
A set of two items that go together or are designed as a matching pair.
一対の花瓶を飾る。
I display a pair of vases.
イヤリングは一対で売られている。
The earrings are sold as a pair.
一対の狛犬が神社の入り口にある。
A pair of guardian lion-dogs stands at the shrine entrance.
一対 refers to a pair of items that naturally go together.
COMMON USAGES:
- 一対の花瓶: a pair of vases
- 一対の狛犬: a pair of komainu (guardian dogs)
- 一対の燭台: a pair of candlesticks
- 一対一: one-to-one
DISTINCTION:
- 一対: a matching pair (like earrings, vases)
- 一足: a pair (for footwear)
- 一組: a set, a pair (more general)
NUANCE:
一対 emphasizes that two items form a matched or complementary set, often decorative items or things displayed in pairs.