yáng yì zhe mǎn zù gǎn

to be overflowing with satisfaction

The phrase '洋溢着满足感' is used in Chinese to describe a state of extreme contentment and joy. It conveys that a person feels so much satisfaction that it spills over, affecting their demeanor and how they express their feelings. This expression can be used in various contexts, such as when someone achieves a significant goal or enjoys a moment of happiness.