He was running at full tilt when he slipped and fell down.他正全速奔跑时滑了一下,摔倒了。The horses ran at full pelt round the track.马沿着跑道全速奔跑。He was running at full speed when a tendon snapped in his leg.他正全速奔跑时,腿部的一条肌腱断裂了。The stag was now at full gallop on the springy turf.那头公鹿现在在松软的草皮上全速奔跑。