- 泰然自若 tàiránzìruò cool and collected(idiom) to behave with perfect composure; showing no sign of nerves or agitation even in the face of danger or crisis
- 泰然处之 tàiránchǔzhī to take things calmlyTo handle a difficult or emergency situation with composure; to treat a matter with indifference or keep one's cool.
- 处之泰然 chǔzhītàirán to take things calmlyto handle a difficult or critical situation with calm and composure; also used to describe being unconcerned or indifferent to a situation