A young man drove his father's car all the way from his school in New York to his home in Florida, without knowing his car had a puncture.
一个年轻人开着父亲的车从纽约他上学的地方一直开到弗罗里达的家中，浑然不知他的车车胎破了。But those few people today are Hunran do not know, are just scared of their own escape.
可是那几个现代人却浑然不知，吓得都只顾自己逃命了。He looked attentively at the letter in his hand, totally ignorant of his surroundings.
他专注的看着手上的信，对身边发生的一切浑然不知。This pair of little big cats pounce and prowl like any curious kittens, blissfully unaware they are two of the rarest leopards in the world.
这一对幼小的大猫与任何好奇的小猫一样，扑腾着到处张望，无忧无虑，浑然不知自己是这世界上最稀有的豹。when all they had to do was tail the tail, you know.
浑然不知其实只要跟着跟住你们的人During autumn nights, thousands of birds pass directly above the megalopolis, a passage generally unnoticed by its human inhabitants.
在秋季的夜晚，成千上万的鸟从这座大都市的上空径直飞过，而人类居民通常却浑然不知。The sway in the spring, the little peach inadvertently floating down the head of the elderly and the elderly unaware.
在春风的吹拂下，少许桃花不经意间洒落在老人的头上，而老人浑然不知。Most people with some form of chronic viral hepatitis, which can remain latent for decades, don't know how they became infected.
慢性病毒性肝炎可持续潜伏数十年，而感染了某种这类肝炎的多数人却浑然不知如何得了病。Due to this perhaps we indulge in various activities , which are a wholesale waste of time.
于是我们沉迷于各种各样的活动当中，浑然不知其实正在浪费时间。