verb / adjective HSK 5
Traditional 腐爛
làn
to rot · to decay · to decompose · rotten

Meaning

腐烂 describes the process of organic matter breaking down and decomposing, or the state of being rotten. It commonly refers to food spoilage, decaying plant material, or deteriorating organic substances. The word can be used both as a verb (to rot) and as an adjective (rotten).

Usage

This word is frequently used in everyday contexts when discussing spoiled food, decaying plants, or decomposing organic matter. It carries a negative connotation and is often associated with unpleasant smells and appearance. Native speakers commonly use it when warning about food that has gone bad or describing environmental decay.

Examples

  1. 01
    这些水果放太久了,已经开始腐烂了。
    Zhè xiē shuǐ guǒ fàng tài jiǔ le, jīng kāi shǐ làn le.
    These fruits have been sitting too long and have already started to rot.
  2. 02
    秋天落叶腐烂后会变成肥料。
    Qiū tiān luò làn hòu huì biàn chéng féi liào.
    In autumn, fallen leaves decompose and turn into fertilizer.

Characters

Common collocations

  • 腐烂变质
    làn biàn zhì
    to rot and spoil
  • 开始腐烂
    kāi shǐ làn
    to begin to rot
  • 防止腐烂
    fáng zhǐ làn
    to prevent decay
  • 腐烂的气味
    làn de wèi
    smell of decay

Antonyms

Origin

Both characters independently relate to decay. 腐 contains the meat radical (肉/月) suggesting spoiled flesh, while 烂 originally depicted something damaged by fire (火). Together they form a compound emphasizing thorough decomposition.

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