4:of表示人物的特性,籍贯,特性或出生等
He is of Irish descend (ascent)
People of obscure origin (humble /noble)
Man of keen perception a man of moral integrity
5:固定词组
-say of,tale of,hear of,think of,learn of,savor of
The room smells of stale cabbage.
-brag of his achievements.Boast of his children
beware of pickpockets approve of the program
doubt of success complain of poor management
-be sure of be suspicious of be aware of
be confident of be proud of be ashamed of
be afraid of be capable of be lack of
be critical of be shortly of be conscious of
be ignorant of be wary of be cautious og
be appreciative of your advice
-regardless of ,irrespective of ,不管….无视
in favor of
decide on three most popular leisure
activities irrespective of age
、