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March 24, 2026
思索sīsuǒ(si1suo3)
思索 (sī suǒ) refers to the process of deep thinking and contemplation. It is often used in contexts where someone is reflecting on a complex issue, problem, or idea, indicating a thorough and deliberate examination of thoughts.
Frequency#15560DifficultyHard
Cultural Note
The concept of deep thinking and introspection, as captured by 思索, is highly valued in Chinese philosophy, particularly in Confucianism, where reflection on moral and ethical dilemmas is encouraged.
Memory Tip
Imagine a person sitting in a quiet room, deeply pondering a question, with a thought bubble above their head filled with the characters '思索' (sī suǒ). The character '思' (sī) looks like a heart and a thought combined, suggesting feelings involved in thinking, while '索' (suǒ) resembles a hook, symbolizing the act of hooking onto an idea or thought to explore it further.
Meanings of 思索
sīsuǒ(si1suo3)
1to think deeply
2to ponder
Exercise 1 of 2
Listen & Choose the Meaning
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About 思索
思索Simplified
—Strokes
—Radical
名词míngcínoun (n.)Part of Speech
#15560Frequency Rank
HSK 2.0L6HSK 3.0L7AdvancedCEFRC2
Podcast: 思索
Podcast: 思索
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AI Study Notes for 思索
Quick Contrast
思考 (sīkǎo) vs 思索 (sīsuǒ): Use 思索 when emphasizing deep contemplation, whereas 思考 is more about general thinking or consideration.
Memory Mnemonic
Imagine a person sitting in a quiet room, deeply pondering a question, with a thought bubble above their head filled with the characters '思索' (sī suǒ). The character '思' (sī) looks like a heart and a thought combined, suggesting feelings involved in thinking, while '索' (suǒ) resembles a hook, symbolizing the act of hooking onto an idea or thought to explore it further.
Usage Notes
Common mistakes include using 思索 in casual contexts where simpler terms like '想' (xiǎng) would suffice. It is more formal and should be used in academic or serious discussions. Be careful with tones; mispronouncing '思' as 'sì' (4th tone) can change the meaning entirely.
HSK Study Tips
As an HSK 6 word, 思索 connects with other advanced vocabulary regarding cognitive processes, such as '思考' (sī kǎo) meaning to think or consider. Students should focus on using it in more formal writing or discussions to enhance their language sophistication.
Cultural Note
The concept of deep thinking and introspection, as captured by 思索, is highly valued in Chinese philosophy, particularly in Confucianism, where reflection on moral and ethical dilemmas is encouraged.
Common Mistakes
Learners often confuse 思索 with similar words like 思考 (sī kǎo) or 想 (xiǎng), leading to vague usage. For example, saying '我想这个问题' (Wǒ xiǎng zhège wèntí) when a deeper contemplation is required would be incorrect; it should be '我在思索这个问题' (Wǒ zài sīsuǒ zhège wèntí).
AI-enhanced 2026-03-24
Pronunciation of 思索
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Grammar Patterns of 思索
思索 functions as a noun — it names a person, place, thing, or concept. Place it as a subject before the verb (主+谓) or as an object after the verb (谓+宾). Most Chinese nouns require a measure word between the number and the noun (e.g. 一个/三本). It carries 2 related meanings, each with its own usage notes below. The example sentences below show it in action, with practice buttons (Listen, Practice Writing, Practice Speaking) on every line.
Exercise 1 of 4
Complete the Sentence
问他懂哪些英文词，塞姆科先生不假____地回答：“一，二，三。”
Asked what English he knew, Mr Semko rattled off "One, two, three"
mò hòu, , tā bù zài qù kǔ sī suǒ, le , jī xiè dì zài nà zhāng xìn jiān shàng huà le wú shù de xiǎo.
Finally, unable to concentrate any longer, she fell to doodling on the writing pad.
Cultural Notes for 思索
🏮Cultural insight
The concept of deep thinking and introspection, as captured by 思索, is highly valued in Chinese philosophy, particularly in Confucianism, where reflection on moral and ethical dilemmas is encouraged.
Frequently Asked Questions about 思索
No, 思索 is more formal and typically found in written contexts or serious discussions.
You can say, '他在思索这个问题的解决方案' (Tā zài sīsuǒ zhège wèntí de jiějué fāng'àn), meaning 'He is pondering a solution to this problem.'
Not exactly; while both mean 'to think,' 思索 implies a deeper, more thoughtful process compared to 想.
