思

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to think; to consider

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HSK 3.0: Level 2
Old HSK: Level 2
Strokes: 9
Radical: 心 +5
Structure: Top–bottom 上下
Traditional: 思
Common rank: #401
Unicode: U+601D

Sound it out + =

Formation & memory

Break the character into parts you already know.

How 思 is formed

Ideographic compound (会意字)

Weighing something with your mind 囟 (altered) and heart 心

Components 田心

How to remember it

consider · Heisig RSH #569

brains + 心 heart

Keyword method from Heisig's Remembering Simplified Hanzi.

Words with 思

The most common words first — learning a character in context makes it stick.

Word	Pinyin	Meaning
一门心思	yī mén xīn si	to set one's heart on sth (idiom)
马克思主义	Mǎ kè sī zhǔ yì	Marxism
上思县	Shàng sī Xiàn	Shangsi, a county in Fangchenggang City 防城港市[Fang2 cheng2 gang3 Shi4], Guangxi
花心思	huā xīn sī	to think through; to invest effort in thinking about; to consider thoroughly
马克思	Mǎ kè sī	Marx (name); Karl Marx (1818-1883), German revolutionary, economist and historian
思南县	Sī nán Xiàn	Sinan, a county in Tongren City 銅仁市\|铜仁市[Tong2 ren2 Shi4], Guizhou
三思而后行	sān sī ér hòu xíng	think again and again before acting (idiom); consider carefully in advance
见马克思	jiàn Mǎ kè sī	to die; lit. to visit Marx; to pass away
思明区	Sī míng Qū	Siming, a district of Xiamen City 廈門市\|厦门市[Xia4 men2 Shi4], Fujian
体大思精	tǐ dà sī jīng	extensive and penetrating (idiom); expansive and profound (of writing)
三思而行	sān sī ér xíng	think three times then go (idiom); don't act before you've thought it through carefully
卡尔·马克思	Kǎ ěr · Mǎ kè sī	Karl Marx (1818-1883), German socialist philosopher, political activist and founder of Mar…
长相思	Cháng xiāng sī	Sauvignon blanc (grape type)
不好意思	bù hǎo yì si	to feel embarrassed; to find it embarrassing; to be sorry (for inconveniencing sb)
小意思	xiǎo yì si	small token; mere trifle (used of one's gifts)
有意思	yǒu yì si	interesting; meaningful; enjoyable; fun
见利思义	jiàn lì sī yì	to see profit and remember morality (idiom); to act ethically; not tempted by riches
相思病	xiāng sī bìng	lovesickness
心思	xīn si	mind; thoughts; inclination; mood
马克思列宁主义	Mǎ kè sī Liè níng zhǔ yì	Marxism-Leninism

Sound family

These characters use 思 as their sound component — compare how they read.

Character	Pinyin	Meaning
思 sound part	sī	to think, to ponder, to consider; final particle
腮	sāi	jaw; gills
鳃	sāi	fish gills
缌	sī	fine linen
葸	xǐ	afraid, bashful, insecure
锶	sī	strontium