1·After an hour of hiking we hit a big blow-down area, with tree trunks scattered like pick-up sticks across the trail.
步行了一小时之后，我们来到了一个大树倒地的地方，横倒的树干像游戏棒一样散落在小道上。
2·The Hayabusa probe blazed a spectacular trail as it came in to hit the ground at a blistering speed, ending a journey to the near-Earth asteroid Itokawa that began in 2003.
这颗“隼鸟号”探测器拖着壮观的火焰尾迹以极快的速度到达地面，结束了一段2003年开始、以近地小行星“系川”为目标的旅程。
3·On a crisp, cool Saturday morning we hit the trail.
在一个清新凉爽的周六早晨，我们上路了。
4·With only three weeks to go before countrywide municipal elections on March 29th, Mr Erdogan has hit the campaign trail in a confident mood.
离3月29号全国的地方性选举还有3周的时候，埃尔多安充满信心开始了他的选战。