喜欢伱任性时可嗳模样
[xĭ huān nĭ rèn xìng shí kĕ ài mó yàng]
This translates roughly to 'I like how adorable you look when you're capricious.', revealing fondness toward the quirkiness and charm of someone close during their moody or unpredictable moments, which can serve as lighthearted commentary acknowledging small yet endearing traits within a relationship.