There are several times when God threatens to exterminate them, but Moses manages to dissuade him.

很多次，上帝恐吓要根绝他们，但是摩西都设法劝阻了。

耶鲁公开课 - 旧约导论课程节选

That seems to be the way to exterminate them if the infestation is bad.

BBC: Bed bugs 'dodge insecticides' with molecular tricks

Mr Karsh had the misfortune to be born in the part ruled by Turkey, whose policy toward Armenians was to exterminate them.

ECONOMIST: Yousuf Karsh

To be sure, he is not actually going to exterminate them, as others who've used such metaphors down through history have been known to do.

WSJ: 'Right Wing Lice'