The accident was caused by people slowingdown to rubberneck.
这场事故是由放慢了速度看西洋镜的人们引起的。
《柯林斯英汉双解大词典》
2
John suddenly jumped off the swing without even slowingdown.
约翰突然从秋千上跳下来，甚至没有减速。
3
It doesn't mean that my to-do lists no longer exist, but I've become more aware of the importance of slowingdown and making sure that I enjoy the daily activities as I carry them out.