As if nothing happened, originally is the most revenge.

若无其事，原来是最很的报复。

youdao

As if nothing happened, originally is the most malicious revenge.

若无其事，原来是最狠的报复。

youdao

Imagine - sighing, picking up the pieces, putting things back in order and move on as if nothing happened.

想象一下，叹息、收拾残局、整理好一切以及继续就好像什么都没有发生过一样。

youdao

At all future times, x proceeds as if nothing happened and then y, you are falling.

在此后的时间里 x 方向上的状态不变,而 y 方向上不断下落

耶鲁公开课 - 基础物理课程节选

No team can lose a 20-game winner and move forward as if nothing happened.

WSJ: Why the New York Mets Can Win This Year (Seriously)

Then they very calmly walked out of the alleyway as if nothing happened.

BBC: Maldives journalist flees island fearing safety

However, once they are back at work wearing a suit on Monday, it is as if nothing had happened.

FORBES: Side Lines