踏空

tā xià dì jiào de shí hou yī jiǎo tà kōng diē le xià qù

他下地窖的时候一脚踏空跌了下去。

He missed his step and fell when he went down into the cellar.

tā xià lóu tī de shí hou yī jiǎo tà kōng

他下楼梯的时候一脚踏空。

He missed his step when he went down the stairs.

jī hū suǒ yǒu gè gǔ dōu chū cāng zài gāo diǎn yě bù pà tà kōng

几乎所有个股都出仓在高点，也不怕“踏空”。

Almost all the stocks go out of the position at high points, no fear of being vacant.