“倒下”的英语可以翻译为：fall，collapse，fall down，fell down ...

围栏倒下时发出了断裂的声音。There was a splintering sound as the railing gave way.然后，他便仰天倒下了。He then keeled over and fell flat on his back.他看上去几乎是以慢动作倒下的。It seemed almost as if he were falling in slow motion....