How common it is
发出 appears often in everyday Chinese, so it is worth practicing early and reviewing often.
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Pronunciation focus
Say fāchū slowly first, then repeat it in a short phrase. Listen for the tone shape.
Usage note
发出可以用来描述各种事物的发送或释放，比如声音、气味或者信息。
fāchū kě yǐ lái gōu miáo zhēng jué zá róng wù de fānɡ sòng huò bō shì, bǐ 如 声 音 、 气 味 或 者 信 息 。
发出 can be used to describe the sending or release of various things, such as sounds, smells, or information.
Context note
这个词常用于描述自然现象，如动物的叫声、植物散发出的香气，或者电子设备发送的信息。
zhè gè cí cháng yòng lái miáo zhēng zì rán xiàng xiàn ，rú dōng wù de shēnɡ jiào 、 zhí wù sàn fā chū de qì xiāng ， huò zhě diàn lǐ bèiè fā shēnɡ de xìn xī 。
This word is often used to describe natural phenomena, such as animal sounds, the scent of plants, or information sent by electronic devices.
5 examples
手机发出声音。
shǒu jī fā chū shēng yīn。
The phone emits a sound.
花朵发出香味。
huā duǒ fā chū xiāng wèi。
The flower gives off a fragrance.
他发出信息给朋友。
tā fā chū xìn xī gěi péng yǒu。
He sent a message to his friend.
电视发出光亮。
diàn shì fā chū guāng liàng。
The TV emits light.
蜡烛发出火焰。
là zhú fā chū huǒ yàn。
The candle produces flames.
5 mini stories
晚上，小猫发出了叫声。妈妈知道是它饿了。
wǎn shàng， xiǎo māo fā chū le jiào shēng。 mā ma zhī dào shì tā è le。
At night, the kitten made a sound. Mom knew it was hungry.
花园里，花儿发出香味吸引蜜蜂。
huā yuán lǐ， huā ér fā chū xiāng wèi xī yǐn mì fēng。
In the garden, flowers emit fragrance to attract bees.
爸爸发出了信息给同事。工作进展顺利。
bà ba fā chū le xìn xī gěi tóng shì。 gōng zuò jìn zhǎn shùn lì。
Dad sent a message to his colleague. The work is going smoothly.
电视发出声音，吵醒了正在睡觉的弟弟。
diàn shì fā chū shēng yīn， chǎo xǐng le zhèng zài shuì jiào de dì di。
The TV emitted sound, waking up the sleeping brother.
蜡烛发出火焰照亮了整个房间。
là zhú fā chū huǒ yàn zhào liàng le zhěng gè fáng jiān。
The candle produced flames and illuminated the entire room.