Subject + 散 + 了
The verb 散 (sàn) means "to disperse," "to scatter," or "to break up," describing people or things spreading apart or a gathering coming to an end. It is commonly used to describe crowds leaving, markets closing, or things falling apart. The phrase 散了 indicates that something has already dispersed.
电影结束后,人群慢慢散了。
diànyǐng jiéshù hòu, rénqún mànmàn sàn le.
After the movie ended, the crowd gradually dispersed.
会议散了以后我们去吃饭吧。
huìyì sàn le yǐhòu wǒmen qù chīfàn ba.
Let's go eat after the meeting is over.
乌云渐渐散开,太阳又出来了。
wūyún jiànjiàn sànkāi, tàiyáng yòu chūlái le.
The dark clouds gradually dispersed, and the sun came out again.