unguarded
adj. 无保护的；不留神的；大意的
副词：unguardedly 名词：unguardedness
近义词：unprotected，defenseless，unsheltered，indiscreet，careless，unshielded，accessible，unwary，undefended，thoughtless，unfortified，imprudent，
英英释义
Adjective
- lacking protection or a guard;
"an unguarded gate" "his unguarded queen was open to attack"
- displaying or feeling no wariness;
"an unguarded remark"
例句
- An unguarded remark; an unguarded glance.轻率的评论; 轻率的一瞥
- The prisoner was left unguarded.那个犯人无人看守。