我在你的怀抱里乖乖睡着
[wŏ zài nĭ de huái bào lĭ guāi guāi shuì zhe]
'I fall asleep obediently in your arms'. Here is a sweet description about trust, intimacy, dependence between two persons who matter to each other. And it reflects safety and comfort feeling brought by closeness of important ones.