tangy

Compared meaning: having a sharp, sour taste (adjective).

比较义项：味道尖酸、带酸味（形容词）。

• acid

  More formal or scientific in register than the others; describes a sharp, sour taste often linked to a chemical or citrus source, and is rarely used for food that has simply gone bad.

  语气比其他几个词更正式或偏科学，常指与化学物质或柑橘类相关的尖酸味道，很少用来形容单纯变质的食物。

  The old vinegar had grown so acid that it stung the back of his throat.

  那瓶陈醋的酸味变得如此刺鼻，刺得他喉咙发疼。

• sour

  The most common, everyday word for a sharp taste like a lemon; it often implies that food or drink has gone bad or tastes unpleasant.

  是最常见、最口语化的词，指像柠檬那样的尖酸味道，常暗示食物或饮料已经变质或味道不佳。

  The milk had gone sour overnight, so we poured it down the sink.

  牛奶一夜之间变酸了，所以我们把它倒进了水槽。

• tart

  Describes a pleasantly sharp, fresh taste, usually in fruit or desserts; the sourness is seen as appetizing rather than spoiled.

  形容一种令人愉悦的、清新的尖酸味道，通常用于水果或甜点，这种酸味被认为开胃，而不是变质。

  Fresh cranberries have a tart taste that many people enjoy in sauce.

  新鲜蔓越莓带有一种尖酸的味道，很多人喜欢用它做酱料。

• tangy 本词

  Describes a piquant, zesty taste or smell, often from citrus or vinegar in savory dishes; it covers smell as well as taste and usually sounds appealing rather than sour in a negative sense.

  形容一种辛辣、爽口的味道或气味，常见于加了柑橘或醋的咸味菜肴，既可指味道也可指气味，通常给人愉快的感觉，而不是负面的酸味。

  The barbecue sauce had a tangy kick from the added lime juice.

  那份烧烤酱因为加了青柠汁而带有一股辛辣爽口的味道。

Acid, sour, tart, and tangy all describe a sharp, sour taste, but differ: sour is the common word, often implying food has gone bad. Tart means pleasantly sharp and appetizing. Tangy means zesty and fresh, often from citrus. Acid is formal or scientific.

这四个词都可形容食物或饮料有明显的酸味或刺激性味道，但语气和感情色彩不同：sour 常带负面意味，指变质或不好吃；tart 和 tangy 通常是正面或中性的，指清爽开胃；acid 语气较正式或偏科学，也可比喻态度尖刻、言辞刻薄，这里不比较 acid 的这一比喻义。