unlatched
adj. 未拴的
v. 拔掉……的栓（unlatch 的过去分词）
例句
He unlatched the box and sorted through the papers.
他打开盒子的锁，在文件里分类拣选。
《柯林斯英汉双解大词典》
Its gate was left unlatched, so I pushed it open.
经人指引，我登上石阶，推开虚掩的门扉。
The dog found the door unlatched and made a night of it.
狗发现门没闩上，看守了一夜。
