常见例句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。 返回 unobserved