go on for
approach；get nearer（a time，a number，an age，etc．）（时间、数字或年龄等）接近；靠近
He must be going on for forty．他一定是快40岁了。
It's going on for midnight．现在快午夜了。
The population of the city is going on for 500，000：该市人口将近50万。
“Good Lord！It's going on for ten o'clock and I promised to see Mr．Wang at half past nine．”“天哪！已经快10点了，我答应9∶30去会见王先生的。”