自发

zì fā

spontaneous

HSK 6

漢字分解

Meaning and Usage

"自发" (zì fā) means "spontaneous" or "self-initiated." It describes actions or phenomena that occur naturally without external compulsion or prompting.

Common Contexts

It is often used to describe voluntary behavior, natural growth, or unprompted contributions. For example, people joining activities without being asked, plants growing naturally, or participants offering ideas without being told.

Collocations and Patterns

  • 自发参加 (zìfā cānjiā): to participate spontaneously
  • 自发行动 (zìfā xíngdòng): to act on one's own initiative
  • 自发 (zìfā tíchū): to put forward spontaneously

These collocations emphasize the voluntary and unforced nature of the action.

Nuances

Using 自发 highlights the absence of external pressure or orders. It often carries a positive connotation, implying sincerity and willingness. Avoid confusing 自发 with 被动 (passive) or 强制 (forced).

Register

This word is neutral and suitable for formal and informal contexts, including academic, workplace, and daily conversations.

例文

他是自发参加志愿者活动的,没有人强迫他。

Tā shì zìfā cānjiā zhìyuànzhě huódòng de, méiyǒu rén qiǎngpò tā.

He participated in the volunteer activity spontaneously; no one forced him.

植物的生长是自发的,不需要人为干预。

Zhíwù de shēngzhǎng shì zìfā de, bù xūyào rénwéi gānyù.

The growth of plants is spontaneous and does not require human intervention.

会议上大家自发地提出了很多建设性的意见。

Huìyì shàng dàjiā zìfā de tíchūle hěn duō jiànshèxìng de yìjiàn.

At the meeting, everyone spontaneously put forward many constructive