ruò​wú​qí​shì

as if nothing had happened

Senses

若无其事/ 若無其事 ruò​wú​qí​shì as if nothing had happened

(idiom) to act calm and composed; nonchalant; to remain indifferent as if a matter were of no importance

References

synonym 若无其事/若無其事 行所无事/行所無事
antonym 若无其事/若無其事 煞有介事/煞有介事
antonym 若无其事/若無其事 若有所失/若有所失