prep.關(guān)于；... 的（表所屬）；出身于；由于
I have heard of him. 我聽說過他。
He is a friend of my father. 他是我父親的朋友。
He is a Prime Minister of working class origin. 他是一位工人出身的總理。
He listed the kings and queens of England. 他列出了英國的所有的國王和王后名字。
His father died of pneumonia. 他父親死于肺炎。
