a man of about thirty stepped into the office这里的of是什么意思,是当介词表同位吗?介词of在这里表示“由.构成made or consisting of”

a challenge ( ) man against nature .填 of 还是 about .我想知道about为什 see a man about a see a man about a 是a man of fifty还是a man about fiftyMr.Black is a man_fiftyA:in B:about C:at D:of talk about a man是什么意思 A MAN ABOUT TOWN怎么样 He is a young man of about 25 years old既然有了about为什么还加of Mr.Black is a man ______ fifty.A of B about Cat D in Fuck You Be a man Such stupid of always thinking about to die a man of many a man of the man ---France will give us a talk---his countryA;from,about B;of,in C;of,about D;from,of what idea can a man who is blind from birth have of color 句子中的of可用about吗? A man talked about the film翻译 let's talk about a man 加快 翻译：he saw a poorly dressed man fishing in a small pool of rain water about 5 cm deep. Her father is a middle-aged man __ about forty.A.at B.of C.over D.blow (A )13.The man ____France will give us a talk ____his country.A.from,on B.of,in C.of,about D.from,of