imperturbableness
impassivity
equability
composedness
imperturbability
nervelessness
impassiveness
impassivity
equability
composedness
imperturbability
nervelessness
impassiveness
- sự điềm tĩnh: steadinessimperturbationsobrietysobernesscomposurecalmnesscalm
- điềm tĩnh: not to know what nerves areto keep cool; to keep a cool head
- tính cách không điềm tĩnh: an unballasted character