Just then the noise of horses topped the rise, and four or five riders came in sight in the moonlight and swept at full gallop down the slope.

就在这时，马蹄声越过了山顶，四五个骑手在月光下进入了我们的视野，全速冲下了斜坡。

youdao

The horse's rider is the first of four riders who each mark the beginning of a sequence of awful times.

那骑士是四个骑士中的第一个，他们为一系列灾难展开序幕。

youdao

The four caster wheels enable experienced riders (as experienced as a 5-year-old can be) to pull off a 360-degree spin.

四个脚轮使老练的车手（作为一个5岁的可以作为经验丰富的）拉了一个360度的旋转。

youdao

British eyes will also be on the team event, with the four riders bidding for their fifth European Championship in a row.

BBC: Confident Funnell heads for Punchestown

We are in a halcyon era, with four of the very best riders all on equal machines.

BBC: Steve Parrish's MotoGP column

Four British riders started the 2004 MotoGP season but none are guaranteed a place in motorcycling's elite for next year.

BBC: Shane Byrne says his MotoGP future is still not sorted out.