风说要走云怎挽留
[fēng shuō yào zŏu yún zĕn wăn liú]
'Feng Shuo Yao Zou Yun Zen Wanliu' translates as 'If the Wind Wishes to Leave, How Can the Clouds Stop It?', which poetically expresses feelings of helplessness and resignation when trying to prevent someone or something from leaving.