1. 简单：briefly 暂时地 | briefness 简单 | briefs 短内裤

2. 简单,短促：brief 简洁的 | briefness 简单,短促 | breve 短音符号

3. 短暂;简洁：brief简短的 | briefness短暂;简洁 | casual偶然的

4. briefness什么意思

4. 简单; 短促 (名)：briefly 暂时地; 简要地 (副) | briefness 简单; 短促 (名) | brier 荆棘; 野蔷薇 (名)

1. the attribute of being brief or fleeting

    Synonym: brevitytransience

2. the temporal property of being very short