make one's presence felt

have a strong and obvious effect or influence on others or on a situation

引起别人注意自己的存在，使自己对人（或形势）有强烈且明显的影响

presence of mind

the ability to remain calm and take quick, sensible action

镇定自若，遇事不慌

he had the presence of mind to record the scene on video.

他镇定自若地用摄像机录下现场。