familiar 
英 [fəˈmɪliə(r)]  美 [fəˈmɪliər] 
adj. 熟悉的；通晓的；冒昧的，随便的

n. 常客；密友

例句：
The bearded, 6 foot 6, 17-stone churchman became a familiar figure to the British public. 

这位留着胡子、身高6英尺6英寸、体重17英石的教士，成了英国公众熟知的人物。

Their red T-shirts, caps, and flags are now a familiar sight at demonstrations. 

他们的红T恤衫、红帽子和红旗现已在各种游行示威中司空见惯了。

My name was now familiar to millions of people. 

我的名字现在已为亿万人所熟知。

He talked of other cultures as if they were more familiar to him than his own. 

他谈到了其他各种文化，好像比对自己的文化更了解。

I'm familiar with his work. 

我很了解他的工作。

He was not very familiar with the area. 

他不太熟悉这个地区。