warning wheel

Gawker jam is a traffic jam caused by drivers slowing down to gawk, they may be staring at the wheel in an unthinking way, not even hearing the warning horns behind their cars.

发呆堵车指驾车人把车速减下来发呆导致的交通堵塞，他们可能正出神地盯着方向盘，甚至都没有听到车后警示的喇叭声。

Hand wheel type skylight controlling gear distress signal warning device

手轮式天窗传动装置求援信号装置者携带的一种手动装置

Therefore on the preface of all esoteric sutras in Tripitaka, there is always a warning: one must recite the Great Wheel Vajra Dharani twenty-one times, thus alerts Buddhists not to breach samaya.

所以在《大藏经》密教部经典前总书有未经上师许可欲读密典须诵大轮金刚陀罗尼二十一遍，旨在提醒佛子慎莫越三昧耶！