鱼哭了你不知因为它在水中
[yú kū le nĭ bù zhī yīn wéi tā zài shuĭ zhōng]
Literal translation: 'A fish cries, but you do not know because it is in the water.' It poetically describes unacknowledged suffering, perhaps suggesting silent emotional turmoil or empathy overlooked by others.