[ hǎikuòtiānkōng ] 1.(形容大自然的广阔) as boundless as the sea and sky [heavens]; as broad as the sea and sky; in open sea and sky; endlessly vast; the sea is wide and the sky spacious. 2.(比喻想象或说话无拘束、无边际) discursive; without restriction or limit; straying from the subject;rambling unrestrained and far-ranging; talk at random; indulge in loud and empty talk 短语和例子 海阔天空地漫谈一通,不解决任何实际问题 indulge in far-ranging rambling discourse without solving any practical problem; 海阔天空地了聊个没完 have a rambling chat about everything under the sun