断绝

他跟家里断绝关系

tā gēn jiālǐ duànjué guānxì

He cut ties with his family.

他们决定断绝往来

tāmen juédìng duànjué wǎnglái

They decided to break off all contact.

供应一旦断绝就麻烦了

gōngyìng yídàn duànjué jiù máfan le

Trouble will arise if the supply is cut off.