我后悔没有在他们决定预定此次旅行时试着阻止他们的翻译：I regret not, when they decided to book the trip trying to stop them 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

I did not regret their decision to book the trip to try to stop them

I regret not, when they decided to book the trip trying to stop them

I regretted in them had not decided prearranges when this travel tries to prevent them

I regret that I did not have the travel reservation when they decided to try to prevent them

I regret not, when they decided to book the trip trying to stop them