unguarded
🇺🇸
/ʌnˈɡɑːrdɪd/
🇬🇧
/ʌnˈɡɑːdɪd/
not having protection or supervision
The unguarded door allowed anyone to enter the building.
未受保護的門讓任何人都可以進入大樓。
spoken or done without thinking or caution
He made an unguarded comment that offended his coworker.
他發表了一個不慎的評論,冒犯了他的同事。