cǎi 
		to step on
to tread
to stamp
to press a pedal
to pedal (a bike)
		 
		
		
														
		
		
			 
		
				
		
			cǎi shā chē 
		to step on the brake
to brake (when driving)
		 
		
		
														
		
		
					
				
		
			cǎi xiàn 
		to scout for a tour operator
to reconnoiter a potential tour itinerary
(tennis) to commit a foot fault
		 
		
		
														
		
		
			 
		
				
		
			cǎi shuǐ 
		to tread water
to paddle or tramp in shallow water
		 
		
		
														
		
		
			 
		
				
		
			cǎi dòng 
		to operate by means of a pedal
		 
		
		
														
		
		
			 
		
				
		
			pá gāo cǎi dī 
		crawl high, step low (idiom); unprincipled crawling, flattering one's superiors and trampling on one's juniors
toadying and bullying
		 
		
		
														
		
		
			 
		
				
		
			jiǎo cǎi liǎng zhī chuán 
		see 腳踏兩隻船|脚踏两只船[jiao3 ta4 liang3 zhi1 chuan2]
		 
		
		
														
		
		
			 
		
				
		
			cǎi xiàn tuán 
		group on a tour to get acquainted with the local situation