to boil

JLPT N5 14 strokes

Words with this Kanji

Usage and Nuances of

The verb primarily means 'to boil' or 'to simmer' something for a long time, often used in cooking contexts such as making soups or traditional medicines. It implies a slow, patient process to extract flavors or effects.

Besides the literal meaning, is frequently used metaphorically to describe enduring hardship or staying up late, especially working overtime or studying hard. For example, means 'to stay up late' or 'to burn the midnight oil.'

Common Collocations

  • (áo tāng): to simmer soup slowly
  • (áo yè): to stay up late, often due to work or study
  • (áo yào): to decoct medicine by boiling

Register and Tone

is neutral in tone and commonly used in both spoken and written Chinese. When used metaphorically, it often conveys a sense of endurance or sacrifice.

Common Confusion

Do not confuse with (zhǔ), which also means 'to boil' but usually refers to a shorter cooking time or boiling water. emphasizes a longer, slower process.

Example Sentences

This soup needs to be boiled for three hours to develop flavor.

He stayed up late working overtime for several days to finish the project.

Traditional Chinese medicine needs to be slowly boiled to release its