信
Character Story & Explanation
In daily life, 信 is indispensable: people send 微信 (Wēixìn) messages, check 电子邮件 (diànzǐ yóujiàn, 'email'), and say 我相信你 (wǒ xiāngxìn nǐ, 'I believe you'). Historically, before modern postal systems, handwritten letters (书信 shūxìn) were vital for long-distance communication — and their authenticity depended entirely on trustworthiness, reinforcing the character’s semantic core. Common idioms include 言而有信 (yán ér yǒu xìn, 'keep one’s word') and 深信不疑 (shēnxìn bùyí, 'firmly believe without doubt').
The character’s form dates to the Bronze Script (c. 1200–256 BCE), where it combined 人 (person) and 言 (speech), emphasizing truthful speech. No pictographic origin (e.g., no 'envelope' shape); rather, it’s a logical semantic-phonetic compound — with 言 indicating meaning and 人 reinforcing human agency in making promises.
Hello, learners! Today we’ll explore the character 信 (xìn), a foundational HSK Level 3 character with just 9 strokes. It’s built from the ‘person’ radical 亻 on the left and 言 (yán, 'speech' or 'words') on the right — literally 'a person’s words'. This structure hints at its core idea: sincerity, trustworthiness, and reliability in communication. Though you’ll often see it translated as 'letter', remember that meaning evolved from the deeper concept of 'a trustworthy message' — like a sealed letter you could count on.
Don’t confuse 信 only with physical mail! In modern Chinese, it carries rich layers: it means 'belief' (as in 信仰 xìnyǎng, 'faith'), 'trust' (信任 xìnrèn), and even 'information' (消息 xiāoxi, where 息 comes from 'breath' — implying credible news). Its dual role as noun ('letter') and verb ('to believe') makes it highly versatile — and very common in daily speech, texts, and formal writing alike.
As a beginner, notice how 信 appears in high-frequency compounds like 信用卡 (xìnyòngkǎ, 'credit card') — literally 'trust-use card', reflecting societal reliance on credibility. Also, in digital life, you’ll see it in 微信 (Wēixìn, 'WeChat'), where 信 means 'message' or 'information', not 'letter' — showing how meaning adapts across eras. Mastering 信 opens doors to understanding Chinese values: integrity, honesty, and mutual confidence are deeply embedded in this single character.
Example Sentences
Common Compounds
Similar Characters — Don't Mix These Up
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