i-adjective
sweet and sour
Describes a taste that combines sweetness and sourness, like certain fruits or sauces.
このイチゴは甘酸っぱくて美味しい。
This strawberry is sweet and sour and delicious.
甘酸っぱいソースが料理に合う。
A sweet and sour sauce goes well with the dish.
i-adjective
Used for emotions that mix happiness and sadness, such as nostalgia or a bittersweet memory.
卒業式は甘酸っぱい気持ちでいっぱいだった。
The graduation ceremony was filled with bittersweet feelings.