That's a heavy schedule.

日程安排得很紧。

youdao

I have a heavy schedule this week.

这个星期我很忙。

youdao

It is a pity that I have a heavy schedule of tournaments next year and may not be able to visit Shanghai during this World Expo.

不过遗憾的是，我今年的参赛计划安排得满满的，世博会期间，或许我没有时间来上海了。

youdao

But a heavy schedule of January maintenance at West Coast refineries has led to sharply higher prices there.

WSJ: Gasoline prices get early start on spring surge

But Chambers cited a heavy schedule following the cup final in Florence as he put his name forward only for the sprint relay.

BBC: Chambers opts out of 100m

But the ability to send commands has now been restored, and scientists have a heavy schedule of tasks they want the rover to work through.

BBC: Curiosity Mars rover to investigate classic rock type