镜花水月，汉语成语，意思是镜里的花，水里的月；原指诗中灵活而不可捉摸的空灵的意境，后比喻虚幻的景象。按照字面意思英文可以翻译为flowers in a mirror and the moon reflected in the lake，或者直接用unattainable illusions表示。
Photo by Tyler Lillico on Unsplash
例句：
他有许多美好的设想，但都是镜花水月，根本没法实现。
He has many wonderful ideas, but they were only unattainable illusions.
