常见例句It was easy for him to leave the house unobserved.他很容易從這座房子霤走而不被發現。He found it is easy to leave the house unobserved.他發現很容易從這座房子霤走而不被發現。Hardly ever did they manage to meet unobserved.他們幾乎從不安排會麪，卻沒有受到注意。 返回 unobserved