1. 隐藏的：conceal 隐蔽 | concealed 隐藏的 | concede 承认

2. 隐蔽的：concave 凹;凹形的 | concealed 隐蔽的 | concealed air conditioner 暗装的空调器

3. 隐蔽的,内[隐]藏式的,暗的：computerized ride control (悬架)计算机乘坐(舒适性)控制 | concealed 隐蔽的,内[隐]藏式的,暗的 | concealed headlamps 内藏式前照灯(可移出前照灯或打开灯前盖板)

4. 内藏式：compressing ratio 压缩比 | concealed 内藏式 | cone 喇叭 音盒

adj

1. hidden on any grounds for any motive

e.g. a concealed weapon
a concealed compartment in his briefcase

2. not accessible to view

e.g. concealed (or hidden) damage
in stormy weather the stars are out of sight

Synonym: hiddenout of sight