about time (also high time) If it is about time/high time that someone did something, it should have been done sooner or a long time ago. 差不多是时候了;早该(做某事)了 It's about time (that) the school improved its food service. 学校早该改善膳食服务了。 A: Here's the letter you asked me to write. 这是你让我写的信。 B: It's about time! I asked you for that ages ago! 早该给我了！我老早之前就叫你去写了！ A: Sorry. 抱歉