have something oninformalBUSY/HAVE A LOT TO DO if you have something on, there is something that you must do 有事要干 I haven’t got anything on tomorrow, so I could see you then. 明天我没什么事,可以来看你。
We’ve got a lot on at the moment. 我们现在有很多事要干。
→ have something on at on2(1)