(比喻见过大场面, 眼界开阔) have sailed the seven seas; have experienced great things; have experienced the vicissitudes of life; have seen much of the world; having seen and experienced much 短语和例子 曾经沧海难为水。 to a sophisticated person there is nothing new under the sun.; he who has sailed the seven seas doesn't think much of mere rivers. 曾经沧海难为水，除却巫山不是云。 speak not of lakes and streams to one who once has seen the sea.; the clouds over mount wushan are the only true clouds.; don't mention streams to him who has seen a great ocean.; the clouds that circle wu's peak are the only clouds for him
