What is the meaning of Sweet-and-sour?

Having both sweet and sour or tart taste.

Having both positive and negative traits, or inspiring conflicting good and bad feelings.

Any dish that combines sweet and sour flavours, especially:

1. A Chinese-style dish with sweet-and-sour sauce.
2. Candy with a sour taste, often dusted with fizzy sherbet.
3. A sweetened sour pickle, or a combination of sweet and sour pickles.

A Chinese-style dish with sweet-and-sour sauce.

Candy with a sour taste, often dusted with fizzy sherbet.

A sweetened sour pickle, or a combination of sweet and sour pickles.

Any dish that combines sweet and sour flavours, especially:

1. A Chinese-style dish with sweet-and-sour sauce.
2. Candy with a sour taste, often dusted with fizzy sherbet.
3. A sweetened sour pickle, or a combination of sweet and sour pickles.

A Chinese-style dish with sweet-and-sour sauce.

Candy with a sour taste, often dusted with fizzy sherbet.

A sweetened sour pickle, or a combination of sweet and sour pickles.

Source: wiktionary.org