nonchalant

词形变化：

副词: nonchalantly |

词义辨析：

同义:

a.不关心的; 冷静的

indifferent

unconcerned

cool

blase

easygoing

casual

lackadaisical

devil-may-care

同义参见:

composed

collected

unfriendly

bored

反义参见:

curious