与(某事)无关;与(某事)毫不相干;不沾手
not have a bar of sth
to have nothing to do with sth
If he tries to sell you his car, don't have a bar of it.他若是想要把车卖给你,你可别去理他。
释义来自《牛津高阶英汉双解词典》第 9 版