跌

to tumble / to fall / fig. to suffer a reverse (in politics or business)

to fall / to drop

to fall into / to dip below a certain level

(of a market index etc) to fall below (a given level) / to be injured or damaged as a result of a fall

to fall in price

to stagger along

to fall down / to take a fall

(of a stock price) to fall to the daily lower limit (resulting in a suspension of trade in the stock)

drop of height in waterway / staircase of waterfalls

uninhibited / free and unconstrained / rhythmical