掐断

qiā duàn shuǐ yuán

掐断水源

cut off the water supply

qiā duàn diàn xiàn

掐断电线

disconnect the wire

qiā duàn tuì lù

掐断退路

cut off one's retreat

bié qiā duàn zhí wù

别掐断植物！

Don't nip off the plant.

nà pī chǔn cái xiǎng yào qiā duàn niú nǎi gōng yìng

那批蠢材想要掐断牛奶供应。

That dumb bunch would like to cut off the supplement of milk.