We have had to reflect on what has happened but we went on Monday to show our support for Petr and his family.

我们必须对已经发生的事情进行思考；周一我们去看望切赫和他的家人，以表示我们对他的支持。

youdao

For the moment, they are living in tents and sports stadiums, reflecting on what has happened to them since that fateful moment last Monday.

现在大多难民们暂时被安置在帐篷和体育馆里。他们反复思考着，自从上周一那个灾难性的时刻以后，都发生了哪些事情。

youdao

Nobody buys a magazine on a Monday to find out what happened the previous week anymore.

FORBES: Newsweek and me

Irish Foreign Minister Micheal Martin met Israeli ambassador Dr Zion Evrony on Monday after summoning him to explain what happened.

BBC: Mairead Maguire

AMD's lawyers will ask Intel to explain what happened to e-mail messages the company acknowledged it lost on Monday.

FORBES: Magazine Article