to calm down after being angry or excited
在生气或兴奋后冷静下来 (zai shengqi huo xingfen hou lengjing xiala)
"He went for a walk to cool himself off after the argument."
"他在争论后去散步来冷静下来。" (Ta zai zhenglun hou qu sanbu lai **lengjing xiala**.)
to become so excited that you lose control of your feelings...
to keep your courage and determination during hard times
to move or act more slowly to reduce pressure or stress
to focus on the positive aspects of a situation
to review or check something again carefully
to receive communication from someone