prep. 关于; 属于…的; 由…制成
You use of to combine two nouns when the first noun identifies the feature of the second noun that you want to talk about.
The average age of the women interviewed was only 21.5.
...the population of this town...
You use of to combine two nouns, or a noun and a present participle, when the second noun or present participle defines or gives more information about the first noun.
Would you say what you felt was a feeling of betrayal?...
She let out a little cry of pain.
You use of after nouns referring to actions to specify the person or thing that is affected by the action or that performs the action. For example, 'the kidnapping of the child' refers to an action affecting a child; 'the arrival of the next train' refers to an action performed by a train.
...the reduction of trade union power inside the party.
...the assessment of future senior managers.
You use of after words and phrases referring to quantities or groups of things to indicate the substance or thing that is being measured.
...7.6 litres of pure alcohol.
...a few kilometres of new roads.
You use of after the name of someone or something to introduce the institution or place they belong to or are connected with.
...the Prince of Wales.
...the Finance Minister of Bangladesh.
You use of after a noun referring to a container to form an expression referring to the container and its contents.
We could all do with a cup of tea...
Conder opened another bottle of wine...
You use of after a count noun and before an uncount noun when you want to talk about an individual piece or item.
...a blade of grass...
Marina ate only one slice of bread...
You use of to indicate the materials or things that form something.
...local decorations of wood and straw.
...loose-fitting garments of linen.
You use of after a noun which specifies a particular part of something, to introduce the thing that it is a part of.
...the other side of the square...
We had almost reached the end of the street.
You use of after some verbs to indicate someone or something else involved in the action.
He'd been dreaming of her...
Listen, I shall be thinking of you always...
You use of after some adjectives to indicate the thing that a feeling or quality relates to.
I have grown very fond of Alec...
His father was quite naturally very proud of him...
You use of before a word referring to the person who performed an action when saying what you think about the action.
This has been so nice, so terribly kind of you...
I suppose it's stupid of us not to be able to make up our own minds...
You use of after a noun which describes someone or something, to introduce the person or thing you are talking about.
...an awkward, slow-moving giant of a man.
If something is more of or less of a particular thing, it is that thing to a greater or smaller degree.
Your extra fat may be more of a health risk than you realize...
As time goes by, sleeping becomes less of a problem.
You use of to indicate a characteristic or quality that someone or something has.
...the worth of their music.
...the creaminess of her skin...
You use of after the verb 'be' to indicate a characteristic or quality that someone or something has.
The crisis faced over the next few months is of an entirely different scale...
Both world wars were of unquestionable importance as economic events.
You use of to specify an amount, value, or age.
Last Thursday, Nick announced record revenues of $3.4 billion...
He has been sentenced to a total of 21 years in prison since 1973...
You use of after a noun such as 'month' or 'year' to indicate the length of time that some state or activity continues.
...eight bruising years of war...
The project has gone through nearly a dozen years of planning.
You can use of to say what time it is by indicating how many minutes there are before the hour mentioned.
At about a quarter of eight in the evening Joe Urber calls...
We got to the beach at five of one in the afternoon.
of all the nerve(或英 cheek)
of an evening (或 morning etc.) informal 非正式
The new employees were presented to the rest of the staff.
I will run you in if the bus isn't going into the town because of the snow today.
The snail left a trail of slime along the floor.
Economic conditions may lie responsible for the creation of social unrest.
A lie which is half a truth is ever the blackest of lies.