adj.不切实际，不实事求是的

She expects to win the lottery every week, that's utterly unrealistic.
她期望每周都能中彩票，这完全是不切实际的。
He thinks he can learn a new language fluently in just one month; that's unrealistic.
他认为自己能在一个月内流利地学会一门新语言，这是不现实的。
They plan to build a skyscraper in a week - I have to say, it's completely unrealistic.
他们计划在一周内建造一座摩天大楼，我得说，这完全不切实际。
The CEO expects us to double our profits next quarter; that's highly unrealistic given the current market conditions.
首席执行官希望我们在下个季度使利润翻倍，考虑到当前市场状况，这非常不现实。
My friend believes he can run a marathon without any prior training; that's utterly unrealistic and potentially dangerous.
我的朋友认为他可以在没有训练的情况下跑马拉松，这完全是不切实际的，甚至可能有危险。
She thinks she can lose 50 pounds in two weeks; that's not only unrealistic but also unhealthy.
她觉得自己能在两周内减掉50磅，这不仅不切实际，而且也不健康。
He anticipates solving world hunger by next year; while it's a noble aspiration, it's rather unrealistic.
他期待在明年解决世界饥饿问题；虽然这是一个崇高的愿望，但相当不切实际。
Some people believe they can become millionaires overnight; that's an unrealistic expectation.
有些人认为他们可以一夜之间成为百万富翁，这是一种不切实际的期望。
The movie portrays a world without any problems or conflicts, which is entirely unrealistic.
这部电影描绘了一个没有任何问题或冲突的世界，这完全是不真实的。
He expects his children to excel in every aspect of life, which is not only unrealistic but also puts unnecessary pressure on them.
他期望他的孩子们在生活的各个方面都出类拔萃，这不仅是不切实际的，而且还给他们带来了不必要的压力。