single
adj
1 [attrib 作定语]
(a) one only; not in a pair, group, etc 单一的; 单个的; 仅有一个的
a single apple hanging from the tree 树上仅挂著一个苹果
a single layer of paint 单层颜料
one double and one single sink-unit 一套双的和一套单的洗涤槽组合台.
(b) considered on its own; separate 唯一的; 单独的
the single most important event in the history of the world 世界史上唯一最重要的事件
She removed every single thing from the box. 她把箱子里的东西一件不剩地全拿了出来.
2 not married 未婚的; 独身的
single men and women 未婚男女
remain single 一直单身
the single stater sins; do wrong 犯有罪恶; 犯过错
It's human to sin. 犯过错是人之常情.
(fig 比喻) They sinned against the unwritten rules of the school. 他们违反了学校的不成文规定.