这句话的意思是：“你有证据证明你的邻居偷了你的割草机吗?要是你没有证据，又去报了警，他可以给你制造好多麻烦的。你还是算了吧！”

• "Can you prove that your neighbor stole your lawnmower? If not and you call the cops, he could make real trouble for you. Better to let sleeping dogs lie!"