GbEng
我对他并不了解，虽然我认识他已经很长时间了。 I don't know him well though I've known him for a long time.
杂技要用很长时间学习. Acrobatics takes a long time to learn.
好长时间，我妈妈和我嫂子一直争论这样小的细节问题。 My mother and my sister-in-law have been arguing about such minor details for a long time.
乘火车的旅客要长时间受阻. There will be prolonged delays for rail travellers.
因为长时间的干旱，农民们对于好收成的前景是怀疑的。 Because of a long drought, the farmers are doubtful about the prospect of a good yield.
自从我们看望你母亲以来到现在有多长时间了？ How long is it since we visited your mother?
别在快餐馆耽误太长时间。 Don't stay too long at the snack bar.
经过长时间包围之后，这个小镇已被起义军攻克。 After a prolonged siege, the town was rendered up to the insurgents.
你能瞪着看多长时间不眨眼? How long can you stare without blinking your eyes?
安装电话机与总机接通要多长时间? How long will the connection of the telephone take? ie How long will it take to install a telephone and connect it to the exchange?
他预见到做这件工作需要很长时间. He foresaw that the job would take a long time.
女士们喜欢在自由市场呆上很长时间，同货主们讨价还价。 The ladies like to spend hours in the free market, bargaining about the goods.
经过长时间的辩论，下议院通过了议案。 After a long debate, the house of commons approved the bill.
经过长时间调查后，撤消了对经理失职罪的指控，并免除了他对导致工厂烧毁的失火事故的责任。 After a long inquiry, the Manager was exonerated from the charge of neglect and from any responsibility for the fire that destroyed the factory.