Definition
When an event runs on, it persists longer than anticipated.
持续超过预定时间；拖延
The meeting ran on for two hours, exceeding the scheduled time.
会议持续了两个小时，超出了预定时间。
The movie ran on longer than expected due to unexpected plot twists.
这部电影因为意外的剧情转折而比预期更长。
Their conversation ran on far longer than I anticipated.
他们的对话持续的时间远超过我的预期。
When time runs on, it appears to pass rapidly.
时间飞逝；流逝；过去
When you're busy working, time seems to run on swiftly.
当你忙于工作时，时间似乎飞快地流逝。
The holiday ran on so quickly that it felt like time was slipping away.
假期过得太快了，感觉时间在悄悄溜走。
As we chatted, time ran on and we both forgot to have dinner.
我们聊天时，时间飞逝，两人都忘了吃晚餐。