wèi jiē dān yǐ jiē dān yǐ chū cān qí shǒu yǐ qǔ cān zhuàng tài yuè wǎng hòu yuè nán qǔ xiāo

未接单、已接单、已出餐、骑手已取餐，状态越往后越难取消。

Not yet accepted, accepted, prepared, and picked up by the rider—the further along the status, the harder to cancel.