在那件事上 meaning in English

thereby

He interested himself for me strongly in that instance .
他在那件事上为我出尽了力。
I don ' t hold any particular position on that matter / issue
在那件事上我没什么特别的立场。
In everything you have commended yourselves to be pure in the matter
在各方面，你们都证荐自己在那件事上是纯洁的。
Alicia : oh , yes . i meant to tell you . i got it yesterday . thanks for your help with that situation . i really appreciate your stepping in
艾丽西娅：噢，是的。我想告诉你来着。我昨天收到的。谢谢你在那件事上的帮忙。我非常感谢你出手相助。