落脚点

wǒ bù zhī dào nǐ zhè yàng zuò de luò jiǎo diǎn shì shén me

我不知道你这样做的落脚点是什么。

I have no idea about your foothold by doing so.

dēng shān duì yuán kě zài xuē zi shang bǎng shang jiān zhuàng wù yǐ lì yú zài dǎ huá de xié pō shang dé dào luò jiǎo diǎn

登山队员可在靴子上绑上尖状物以利于在打滑的斜坡上得到落脚点。

Climbers can strap sharp points on their boots to help get a foothold on a slippery slope.