unobserved
adj. 没有观察到
近义词：unnoticed，unseen，unheeded，disregarded，undetected，
英英释义
Adjective
- not observed
- not observed;
"managed to slip away unobserved"
例句
- It was easy for him to leave the house unobserved.他很容易从这座房子溜走而不被发现。
- He found it is easy to leave the house unobserved.他发现很容易从这座房子溜走而不被发现。
- Hardly ever did they manage to meet unobserved.他们几乎从不安排会面，却没有受到注意。