漫无边际màn wú biānjì 1.非常广阔,一眼望不到边{infinite; vast}: 大青山下是~的草原。{A boundless grassland lies at the foot of the Daqing Mountain.} 2.指谈话、写文章等没有中心,离题很远{(of talk, writing, etc.) rambling; discursive}: ~地谈些与问题无关的话。{make a long-winded speech that drifts far from the subject}