unobserved
UK/ʌnəb'zɜːvd/US/'ʌnәb'sә:vd/
C2
释义
adj.
Not seen or noticed
未被察觉的；无人注意的
词根拆分
词根派生un-不，逆转
+
observed对抗，朝向，阻碍
=unobserved
un-（「不」）+ observed = 未被观察到的。常作状语用：slip away unobserved（不被察觉地溜走）。指向 observe。
例句
- 1.
He managed to leave the building unobserved.
他设法不被察觉地离开了大楼。