This isn't a fast train, is it?

这不是一辆快车，是吗？

youdao

A fast train is one that goes fast.

快车是一种行驶快的火车。

youdao

Could you tell me whether that's a fast train or not?

你能告诉我那是否是一辆快速列车吗？

youdao

The normally reliable fast train link connecting London and Paris also has ground to a halt.

VOA: standard.2009.12.21

Imagine travelling from Miami, Florida to Chattanooga, Tennessee, and changing in Atlanta from a steel-wheeled fast train to a magnetic levitation one.

BBC: The futurist: Putting the choo-choo back in Chattanooga

Tech startup life is a fast-moving train with new entrants and new opportunities unfolding, sometimes on a daily basis.

FORBES: 5 Tips To Take Charge Of Your Career Learned From Startups

Investing in it would be much like standing in front of a fast-moving train.

FORBES: Follow The Money--Closely