At nine o'clock he stubbed his toe on a rocky ledge，and from sheer weariness and weakness staggered and fell.
At nine o'clock he stubbed his toe on a rocky ledge，and from sheer weariness and weakness staggered and fell.
九点钟的时候，他被一块突岩绊了脚，由于极度的疲劳和虚弱，他晃了晃就一头栽了下去。