我没哭只是眼泪不听话
[wŏ méi kū zhĭ shì yăn lèi bù tīng huà]
Literally translates to 'I'm not crying, it's just that my tears won't listen to me.' This describes a situation where one is so overwhelmed by emotion (usually sadness) that they cry uncontrollably, even though they try to hold back tears.