unguarded(形容词):无防备的;不加防护的;(言语/态度)不够谨慎的、脱口而出的。常见于描述人在放松或疏忽时暴露真实想法,或某处缺乏看守与保护。(另有较少见用法:指体育运动中“无人防守的”。)
/ʌnˈɡɑːrdɪd/
He made an unguarded comment about his boss.
他对老板说了一句不够谨慎的评论。
In an unguarded moment, she admitted she was afraid of failing, even though she always seemed confident.
在一个毫无防备的瞬间,她承认自己害怕失败,尽管她一直看起来很自信。
由前缀 un-(表示否定,“不、无”)+ guarded(被保护的、谨慎的)构成。guarded 源自 guard(守卫、保护),与“防护、警戒”相关;因此 unguarded 字面义即“没有被守护/没有警戒的”,引申为“无防备的、言行不加掩饰的”。