sī kǎo 
		to reflect on
to ponder over
		 
		
		
		
		
			 
		
				
		
			sī xiǎng 
		thought
thinking
idea
ideology
CL:個|个[ge4]
		 
		
		
		
		
					
				
		
			yì si 
		idea
opinion
meaning
wish
desire
interest
fun
token of appreciation, affection etc
CL:個|个[ge4]
to give as a small token
to do sth as a gesture of goodwill etc
		 
		
		
		
		
			 
		
				
		
			bù hǎo yì si 
		to feel embarrassed
to find it embarrassing
to be sorry (for inconveniencing sb)
		 
		
		
		
		
			 
		
				
		
			sī lù 
		train of thought
thinking
reason
reasoning
		 
		
		
		
		
			 
		
				
		
			sī cháo 
		tide of thought
way of thinking characteristic of a historical period
Zeitgeist
		 
		
		
														
		
		
			 
		
				
		
			gòu sī 
		to design
to plot
to plan out
to compose
to draw a mental sketch
conception
plan
idea
composition
		 
		
		
		
		
			 
		
				
		
			jí sī guǎng yì 
		collecting opinions is of wide benefit (idiom); to pool wisdom for mutual benefit
to profit from widespread suggestions
		 
		
		
														
		
		
			 
		
				
		
			sī wéi 
		(line of) thought
thinking
		 
		
		
		
		
			 
		
				
		
			shēn sī shú lǜ 
		mature reflection
after careful deliberations
		 
		
		
														
		
		
			 
		
				
		
			sī suǒ 
		to think deeply
to ponder
		 
		
		
														
		
		
			 
		
				
		
			āi sī 
		grief-stricken thoughts
mourning
		 
		
		
														
		
		
			 
		
				
		
			Sī máo 
		Simao city in Yunnan, renamed Pu'er city 普洱市 in 2007
		 
		
		
		
		
			 
		
				
		
			hǎo yì si 
		to have the nerve
what a cheek!
to feel no shame
to overcome the shame
(is it) proper? (rhetorical question)
		 
		
		
		
		
			 
		
				
		
			chén sī 
		to contemplate
to ponder
contemplation
meditation
		 
		
		
														
		
		
			 
		
				
		
			fǎn sī 
		to think back over sth
to review
to revisit
to rethink
reflection
reassessment
		 
		
		
		
		
			 
		
				
		
			sī xù 
		train of thought
emotional state
mood
feeling
		 
		
		
		
		
			 
		
				
		
			xīn si 
		mind
thoughts
inclination
mood
		 
		
		
		
		
			 
		
				
		
			sī niàn 
		to think of
to long for
to miss
		 
		
		
		
		
			 
		
				
		
			bù kě sī yì 
		inconceivable (idiom); unimaginable
unfathomable
		 
		
		
		
		
			 
		
				
		
			yǒu yì si 
		interesting
meaningful
enjoyable
fun
		 
		
		
		
		
			 
		
				
		
			Mǎ kè sī 
		Marx (name)
Groucho Marx (the star of Duck Soup, 1933)
Karl Marx (1818-1883), German socialist philosopher, political activist and founder of Marxism
		 
		
		
		
		
			 
		
				
		
			sī lǜ 
		to think sth through
to consider carefully
		 
		
		
		
		
			 
		
				
		
			sī liang 
		to reckon
to consider
to turn over in one's mind
		 
		
		
		
		
			 
		
				
		
			zhuī sī 
		memorial
recollection (of the deceased)
		 
		
		
														
		
		
			 
		
				
		
			hú sī luàn xiǎng 
		to indulge in flights of fancy (idiom)
to let one's imagination run wild
		 
		
		
		
		
			 
		
				
		
			fěi yí suǒ sī 
		unimaginable
outrageous
freakish
		 
		
		
														
		
		
			 
		
				
		
			yǎ sī 
		IELTS (International English Language Testing System)
		 
		
		
														
		
		
			 
		
				
		
			jū ān sī wēi 
		to think of danger in times of safety
to be vigilant in peacetime (idiom)
		 
		
		
		
		
			 
		
				
		
			bù jiǎ sī suǒ 
		to act without taking time to think (idiom); to react instantly
to fire from the hip
		 
		
		
														
		
		
			 
		
				
		
			tǒng yī sī xiǎng 
		with the same idea in mind
with a common purpose
		 
		
		
		
		
			 
		
				
		
			Sī míng qū 
		Siming district of Xiamen city 廈門市|厦门市[Xia4 men2 shi4] (Amoy), Fujian
		 
		
		
		
		
			 
		
				
		
			Rú jiā sī xiǎng 
		Confucian thoughts
the thinking of the Confucian school
		 
		
		
														
		
		
			 
		
				
		
			zhèng zhì sī xiǎng 
		political thought
ideology
		 
		
		
		
		
			 
		
				
		
			Máo Zé dōng sī xiǎng 
		Mao Zedong Thought
Maoism
		 
		
		
														
		
		
			 
		
				
		
			sī wéi mǐn jié 
		quick-witted
agile of mind