只有在事故发生后人们才认识到的翻译：Only after the accident it was not recognized 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Only after it became aware of the accident

Only after the accident it was not recognized

Only then has the people after the accident only then to realize

It is only after the occurrence of incidents has only recognized the

Only after the accident it was not recognized