How common it is
回信 appears often in everyday Chinese, so it is worth practicing early and reviewing often.
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Pronunciation focus
Say huíxìn slowly first, then repeat it in a short phrase. Listen for the tone shape.
Usage note
回信是指回复别人写给你的信件。比如，当你收到朋友的来信时，你可以通过回信来表达感谢或分享自己的想法。
huíxìn shì zhǐ fùhui běn rén xiě gěi nǐ de xìnjiè. rúguǒ, nándāng nǐ shōudào péngyǒu de láixìn shí, nǐ kěyǐ tōuguò huíxìn lái biǎo达表达 gǎnxì huò xiǎnɡfānɡ zēnɡ jīnɡ.
回信 means replying to letters from others. For example, when you receive a letter from a friend, you can reply to express gratitude or share your thoughts.
Context note
回信通常出现在日常生活中，比如朋友之间、家人之间的书信往来。
huíxìn chángtōng xiànzài chūxiàn rìyāo shēnghuó zhōng, bùrú péngyǒu zhījiān 、 jiārén zhījiān de shūxìn wǎnlái.
Replies to letters typically appear in daily life, such as between friends or family members.
5 examples
收到信后，我回信表示感谢。
shōu dào xìn hòu， wǒ huí xìn biǎo shì gǎn xiè。
After receiving the letter, I replied to express gratitude.
妈妈让我回信给老师。
mā ma ràng wǒ huí xìn gěi lǎo shī。
Mom asked me to reply to the teacher.
他等了好久才收到我的回信。
tā děng le hǎo jiǔ cái shōu dào wǒ de huí xìn。
He waited for a long time before receiving my reply.
我们互相写信，然后回信。
wǒ men hù xiāng xiě xìn， rán hòu huí xìn。
We wrote letters to each other and then replied.
她没有及时回信，导致了误会。
tā méi yǒu jí shí huí xìn， dǎo zhì le wù huì。
She didn't reply in time, leading to a misunderstanding.
5 mini stories
小明收到了一封来自远方朋友的来信，他很高兴并决定回信。
xiǎo míng shōu dào le yì fēng lái zì yuǎn fāng péng yǒu de lái xìn， tā hěn gāo xìng bìng jué dìng huí xìn。
Xiao Ming received a letter from a friend far away and was very happy. He decided to reply.
妈妈教小红写了一封感谢信，并让她回信给老师。
mā ma jiào xiǎo hóng xiě le yì fēng gǎn xiè xìn， bìng ràng tā huí xìn gěi lǎo shī。
Mom taught Xiaohong how to write a thank-you letter and asked her to reply to the teacher.
他们通过书信保持联系，每次收到对方的来信都会回信。
tā men tōng guò shū xìn bǎo chí lián xì， měi cì shōu dào duì fāng de lái xìn dōu huì huí xìn。
They kept in touch through letters. Every time they received a letter from each other, they would reply.
她等了很久才收到他的回信，但内容让她很失望。
tā děng le hěn jiǔ cái shōu dào tā de huí xìn， dàn nèi róng ràng tā hěn shī wàng。
She waited for a long time before receiving his reply, but the content disappointed her.
他没有及时回信，错过了一个重要的机会。
tā méi yǒu jí shí huí xìn， cuò guò le yí gè zhòng yào de jī huì。
He didn't reply in time and missed an important opportunity.