This has made even the most obdurate of world leaders sit up and listen.这件事已经让最冷酷无情的各国领导人都在端坐倾听了。

obdurate defenders of the status quo现状的执拗捍卫者

He'd argued as persuasively as he knew how, but they'd remained obdurate.他已经尽其所能地竭力劝服, 但他们依然顽固不化。