V to become fainter, quieter, or weaker 逐渐减弱
his voice trailed off
Away he fled on his swift horse, taking the fastest route, a lonely forest trail.
他跨上自己的千里马，选择最快的路线，朝着森林里一条偏僻的小路奔去。
If you sign up, log in and start using any kind of online service, the cyber-trail you accidentally leave on the world as you click and type away, seems to be a matter of course.
如果你注册、登录并开始使用任何一种在线服务，当你点击、输入时会在这个世界上无意中留下数码足迹，这已经见怪不怪了。
The road ahead, once a much-loved tourist trail through a stunning gorge, has either fallen away in places or disappeared under landslides.
前面的路，曾经是一条穿越极好山谷的小道，不是在这个地方倾斜就是在崩塌的泥石下消失。
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