砍断

yī xià zi jiù bǎ zhè kuài mù tou kǎn duàn

一下子就把这块木头砍断

chop the block of wood

kǎn duàn mǒu rén de shǒu zhǐ

砍断某人的手指

chop somebody's finger off

yǒu rén zài wǎn shang kǎn duàn le bó chuán de lǎn shéng

有人在晚上砍断了泊船的缆绳。

During the night, somebody had cut the boat loose from its moorings.

wǒ yòng fǔ tou bǎ shéng zi kǎn duàn gěi zì jǐ sōng bǎng

我用斧头把绳子砍断给自己松绑。

I cut myself free with my axe.