相关单词近义词 freedom 自由, informality 非正式, nonchalance 不关心, calmness 平静, coolness 冷, insouciance 漠不关心, unconcern 不关心, indifference 不重视, carelessness 粗心, negligence 疏忽, disregard 不顾, heedlessness 不注意, inattention 不注意, familiarity 亲密临近词casual, casual analogy, casual patient, casual payment, casual ejector, casual pickups, Casual wording, casual repairs, casual cnalogy, casual clothes, casual species 返回 casualness