May I use your lavatory I'm bursting! ie I need to urinate urgently.
我可以用用你们的厕所吗--我实在憋不住了.
No delay! We urgently need these books.
决不要拖延!我们急需这些书。
The order No.105 is so urgently required that we have to ask you to speed up shipment.
第105号订单所订货物我们要急用, 请你们加快装船速度。