有种你们就结婚别秀恩爱
[yŏu zhŏng nĭ men jiù jié hūn bié xiù ēn ài]
'有种你们就结婚别秀恩爱' could be understood as a colloquial expression: 'do something serious if you dare; do not show off affection excessively'. It suggests irritation or playful envy at others showing romantic relationships overtly and publicly.