猫忘了鱼尾纱鹿忘了玫瑰园
[māo wàng le yú wĕi shā lù wàng le méi guī yuán]
A poetic expression, 'The cat forgot the fish veil; the deer forgot the rose garden' uses animal imagery and forgetfulness about specific romantic or significant items, symbolizing forgotten love or misremembered beauty and affection.