(一):The tour will take about an hour and a half. 这次参观大概需要一个半小时。
A: The tour will take about an hour and a half. 甲：这次参观大概需要一个半小时。 B: That's OK. 乙：好的。 The tour should last about an hour and a half. 这次参观大概会持续一个半小时。 It will take me several hours if I really look at everything. 假如我全部参观的话，那需要好几个小时。
(二):If you are ready, ladies and gentlemen? 准备好了吗，女士们先生们？
A: If you are ready, ladies and gentlemen? 甲：准备好了吗，女士们先生们？ B: Everything is OK. 乙：一切都就绪了。
Are you ready now?
Is everything ready?
Are you all set?
