unguarded
/ˌʌnˈgɑːdɪd/adjective
1- without protection or a guard没有防卫的; 无保护的：
the museum was unguarded at night.
该博物馆夜间无人守卫。
1.1
- not well considered; careless未仔细考虑的; 粗心大意的：
an unguarded remark.
说漏嘴的话。
派生词