一刀两断

yī dāo liǎng duàn

to make a clean break

Character by character

一yī
one

刀dāo
knife

两liǎng
two

断duàn
sever

她终于下决心和前男友一刀两断。

She finally made up her mind to cut ties with her ex for good.

Tone: neutral.

Usually 跟／和…一刀两断, of ending a relationship completely.

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