https://online1.tingclass.net/lesson/shi0529/0000/643/sl20071214.mp3
https://image.tingclass.net/statics/js/2012
have one's head in the sand不顾事实真相;逃避现实;拒绝承认问题但又妄想情况好转;采取鸵鸟政策
It's no use having your head in the sand .You should try to solve the problem.
逃避现实是没有用的。你应该尝试解决问题。