leave no stone unturned片语KK [liv no ston ənˋtɝnd] /liv noʊ stoʊn ənˈtɝnd/发音片语1千方百计、想方设法、不遗余力The police promised to leave no stone unturned in finding the missing child.警方承诺将不遗余力地寻找那名失踪儿童。用这个字练口说→