tripping impulse

例句：

1. 1. The child's sudden tripping impulse caused him to fall down.
   孩子的突然绊倒冲动使他摔倒了。
2. 2. The accident was caused by a tripping impulse while walking on the uneven road.
   这次事故是由于走在不平的路面上时绊倒冲动引起的。
3. 3. The elderly woman tripped and fell due to her tripping impulse.
   由于绊倒冲动，这位老人跌倒了。