When I arrive home, I calm down and remind myself why I chose this way.

我回到家时，冷静下来，提醒自己为什么选择这条路。

youdao

On the outside she seems calm, but I know she's worried.

她貌似镇定，但我知道她有心事。

《牛津词典》

I kept telling myself to keep calm.

我不断叮嘱自己要保持冷静。

《牛津词典》

The next morning I expected more of the same, but to my surprise she was calm, even peaceful.

VOA: special.2009.11.08

I hope you've gotten something out of this on a way to increase calm, equanimity and connection to the world around you.

希望你从中能有所得,能变得更平和，更镇定,增强与周围世界的联系。

普林斯顿公开课 - 人性课程节选

"And then I turn around and I see this little puppy dog looking up at me, wagging her tail,and uh, everything just left.I got calm.

VOA: special.2009.12.11

One might tell me I was calm, while another advised me that I needed to cool down, so take their readings with a grain of salt if you choose to hop on board.

WSJ: Keep Calm and Carry a Gizmo

Somehow I stayed calm, perhaps due to the fact that I could hear people talking to me, reassuring me that things would be OK, and that I was safe.

BBC: York & North Yorkshire - Helicopter heroes saved my life

Look, people ask me sort of how do I stay calm in my job.

WHITEHOUSE: The Affordable Care Act & The Patient��s Bill of Rights